Home / 8,220.60-11,344.10-4,683.51

Finding the Fourth Proportional to 8,220.60, 11,344.10 and 4,683.51

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Solution

The fourth proportional to 8,220.60, 11,344.10 and 4,683.51 is: 6,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.60 : 11,344.10 = 4,683.51 : x
  2. Step 2: Convert to fraction form
    8,220.60/11,344.10 = 4,683.51/x
  3. Step 3: Cross multiply
    8,220.60x = 11,344.10 × 4,683.51
  4. Step 4: Simplify right side
    8,220.60x = 53,130,182.37
  5. Step 5: Solve for x
    x = 53,130,182.37/8,220.60
  6. Step 6: Final answer
    x = 6,463.05

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Half scale
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Double scale
Find fourth proportional to 8,221.60, 11,345.47 and 4,684.51
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.