Home / 8,624.33-11,898.45-5,641.86

Finding the Fourth Proportional to 8,624.33, 11,898.45 and 5,641.86

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Solution

The fourth proportional to 8,624.33, 11,898.45 and 5,641.86 is: 7,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.33 : 11,898.45 = 5,641.86 : x
  2. Step 2: Convert to fraction form
    8,624.33/11,898.45 = 5,641.86/x
  3. Step 3: Cross multiply
    8,624.33x = 11,898.45 × 5,641.86
  4. Step 4: Simplify right side
    8,624.33x = 67,129,389.12
  5. Step 5: Solve for x
    x = 67,129,389.12/8,624.33
  6. Step 6: Final answer
    x = 7,783.73

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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.