Home / 6,499.31-9,755.84-5,281.40

Finding the Fourth Proportional to 6,499.31, 9,755.84 and 5,281.40

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Solution

The fourth proportional to 6,499.31, 9,755.84 and 5,281.40 is: 7,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,499.31 : 9,755.84 = 5,281.40 : x
  2. Step 2: Convert to fraction form
    6,499.31/9,755.84 = 5,281.40/x
  3. Step 3: Cross multiply
    6,499.31x = 9,755.84 × 5,281.40
  4. Step 4: Simplify right side
    6,499.31x = 51,524,530.97
  5. Step 5: Solve for x
    x = 51,524,530.97/6,499.31
  6. Step 6: Final answer
    x = 7,927.70

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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.