Home / 6,490.06-8,950.40-4,251.12

Finding the Fourth Proportional to 6,490.06, 8,950.40 and 4,251.12

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Solution

The fourth proportional to 6,490.06, 8,950.40 and 4,251.12 is: 5,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.06 : 8,950.40 = 4,251.12 : x
  2. Step 2: Convert to fraction form
    6,490.06/8,950.40 = 4,251.12/x
  3. Step 3: Cross multiply
    6,490.06x = 8,950.40 × 4,251.12
  4. Step 4: Simplify right side
    6,490.06x = 38,049,185.57
  5. Step 5: Solve for x
    x = 38,049,185.57/6,490.06
  6. Step 6: Final answer
    x = 5,862.69

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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.