Home / 8,275.17-11,416.98-4,689.79

Finding the Fourth Proportional to 8,275.17, 11,416.98 and 4,689.79

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Solution

The fourth proportional to 8,275.17, 11,416.98 and 4,689.79 is: 6,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.17 : 11,416.98 = 4,689.79 : x
  2. Step 2: Convert to fraction form
    8,275.17/11,416.98 = 4,689.79/x
  3. Step 3: Cross multiply
    8,275.17x = 11,416.98 × 4,689.79
  4. Step 4: Simplify right side
    8,275.17x = 53,543,181.55
  5. Step 5: Solve for x
    x = 53,543,181.55/8,275.17
  6. Step 6: Final answer
    x = 6,470.35

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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.