Home / 6,639.64-9,950.14-5,246.85

Finding the Fourth Proportional to 6,639.64, 9,950.14 and 5,246.85

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Solution

The fourth proportional to 6,639.64, 9,950.14 and 5,246.85 is: 7,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.64 : 9,950.14 = 5,246.85 : x
  2. Step 2: Convert to fraction form
    6,639.64/9,950.14 = 5,246.85/x
  3. Step 3: Cross multiply
    6,639.64x = 9,950.14 × 5,246.85
  4. Step 4: Simplify right side
    6,639.64x = 52,206,892.06
  5. Step 5: Solve for x
    x = 52,206,892.06/6,639.64
  6. Step 6: Final answer
    x = 7,862.91

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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.