Home / 7,766.83-10,708.95-6,345.28

Finding the Fourth Proportional to 7,766.83, 10,708.95 and 6,345.28

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Solution

The fourth proportional to 7,766.83, 10,708.95 and 6,345.28 is: 8,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.83 : 10,708.95 = 6,345.28 : x
  2. Step 2: Convert to fraction form
    7,766.83/10,708.95 = 6,345.28/x
  3. Step 3: Cross multiply
    7,766.83x = 10,708.95 × 6,345.28
  4. Step 4: Simplify right side
    7,766.83x = 67,951,286.26
  5. Step 5: Solve for x
    x = 67,951,286.26/7,766.83
  6. Step 6: Final answer
    x = 8,748.91

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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.