Home / 5,319.29-7,340.55-2,929.20

Finding the Fourth Proportional to 5,319.29, 7,340.55 and 2,929.20

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Solution

The fourth proportional to 5,319.29, 7,340.55 and 2,929.20 is: 4,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.29 : 7,340.55 = 2,929.20 : x
  2. Step 2: Convert to fraction form
    5,319.29/7,340.55 = 2,929.20/x
  3. Step 3: Cross multiply
    5,319.29x = 7,340.55 × 2,929.20
  4. Step 4: Simplify right side
    5,319.29x = 21,501,983.08
  5. Step 5: Solve for x
    x = 21,501,983.08/5,319.29
  6. Step 6: Final answer
    x = 4,042.27

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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.