Home / 7,711.20-10,641.65-4,354.08

Finding the Fourth Proportional to 7,711.20, 10,641.65 and 4,354.08

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Solution

The fourth proportional to 7,711.20, 10,641.65 and 4,354.08 is: 6,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.20 : 10,641.65 = 4,354.08 : x
  2. Step 2: Convert to fraction form
    7,711.20/10,641.65 = 4,354.08/x
  3. Step 3: Cross multiply
    7,711.20x = 10,641.65 × 4,354.08
  4. Step 4: Simplify right side
    7,711.20x = 46,334,573.66
  5. Step 5: Solve for x
    x = 46,334,573.66/7,711.20
  6. Step 6: Final answer
    x = 6,008.74

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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.