Home / 7,476.83-11,215.53-2,545.86

Finding the Fourth Proportional to 7,476.83, 11,215.53 and 2,545.86

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Solution

The fourth proportional to 7,476.83, 11,215.53 and 2,545.86 is: 3,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.83 : 11,215.53 = 2,545.86 : x
  2. Step 2: Convert to fraction form
    7,476.83/11,215.53 = 2,545.86/x
  3. Step 3: Cross multiply
    7,476.83x = 11,215.53 × 2,545.86
  4. Step 4: Simplify right side
    7,476.83x = 28,553,169.21
  5. Step 5: Solve for x
    x = 28,553,169.21/7,476.83
  6. Step 6: Final answer
    x = 3,818.89

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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.