Home / 4,318.74-6,479.73-1,545.30

Finding the Fourth Proportional to 4,318.74, 6,479.73 and 1,545.30

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Solution

The fourth proportional to 4,318.74, 6,479.73 and 1,545.30 is: 2,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.74 : 6,479.73 = 1,545.30 : x
  2. Step 2: Convert to fraction form
    4,318.74/6,479.73 = 1,545.30/x
  3. Step 3: Cross multiply
    4,318.74x = 6,479.73 × 1,545.30
  4. Step 4: Simplify right side
    4,318.74x = 10,013,126.77
  5. Step 5: Solve for x
    x = 10,013,126.77/4,318.74
  6. Step 6: Final answer
    x = 2,318.53

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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.