Home / 8,328.60-11,500.08-5,146.51

Finding the Fourth Proportional to 8,328.60, 11,500.08 and 5,146.51

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Solution

The fourth proportional to 8,328.60, 11,500.08 and 5,146.51 is: 7,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.60 : 11,500.08 = 5,146.51 : x
  2. Step 2: Convert to fraction form
    8,328.60/11,500.08 = 5,146.51/x
  3. Step 3: Cross multiply
    8,328.60x = 11,500.08 × 5,146.51
  4. Step 4: Simplify right side
    8,328.60x = 59,185,276.72
  5. Step 5: Solve for x
    x = 59,185,276.72/8,328.60
  6. Step 6: Final answer
    x = 7,106.27

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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.