Home / 5,555.90-8,293.29-4,855.25

Finding the Fourth Proportional to 5,555.90, 8,293.29 and 4,855.25

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Solution

The fourth proportional to 5,555.90, 8,293.29 and 4,855.25 is: 7,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.90 : 8,293.29 = 4,855.25 : x
  2. Step 2: Convert to fraction form
    5,555.90/8,293.29 = 4,855.25/x
  3. Step 3: Cross multiply
    5,555.90x = 8,293.29 × 4,855.25
  4. Step 4: Simplify right side
    5,555.90x = 40,265,954.81
  5. Step 5: Solve for x
    x = 40,265,954.81/5,555.90
  6. Step 6: Final answer
    x = 7,247.43

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.