Home / 7,929.90-10,943.10-4,393.04

Finding the Fourth Proportional to 7,929.90, 10,943.10 and 4,393.04

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Solution

The fourth proportional to 7,929.90, 10,943.10 and 4,393.04 is: 6,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.90 : 10,943.10 = 4,393.04 : x
  2. Step 2: Convert to fraction form
    7,929.90/10,943.10 = 4,393.04/x
  3. Step 3: Cross multiply
    7,929.90x = 10,943.10 × 4,393.04
  4. Step 4: Simplify right side
    7,929.90x = 48,073,421.31
  5. Step 5: Solve for x
    x = 48,073,421.31/7,929.90
  6. Step 6: Final answer
    x = 6,062.30

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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.