Home / 7,929.86-11,875.84-4,411.13

Finding the Fourth Proportional to 7,929.86, 11,875.84 and 4,411.13

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Solution

The fourth proportional to 7,929.86, 11,875.84 and 4,411.13 is: 6,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.86 : 11,875.84 = 4,411.13 : x
  2. Step 2: Convert to fraction form
    7,929.86/11,875.84 = 4,411.13/x
  3. Step 3: Cross multiply
    7,929.86x = 11,875.84 × 4,411.13
  4. Step 4: Simplify right side
    7,929.86x = 52,385,874.10
  5. Step 5: Solve for x
    x = 52,385,874.10/7,929.86
  6. Step 6: Final answer
    x = 6,606.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.