Home / 7,614.30-11,405.25-4,325.70

Finding the Fourth Proportional to 7,614.30, 11,405.25 and 4,325.70

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Solution

The fourth proportional to 7,614.30, 11,405.25 and 4,325.70 is: 6,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.30 : 11,405.25 = 4,325.70 : x
  2. Step 2: Convert to fraction form
    7,614.30/11,405.25 = 4,325.70/x
  3. Step 3: Cross multiply
    7,614.30x = 11,405.25 × 4,325.70
  4. Step 4: Simplify right side
    7,614.30x = 49,335,689.93
  5. Step 5: Solve for x
    x = 49,335,689.93/7,614.30
  6. Step 6: Final answer
    x = 6,479.35

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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.