Home / 8,606.76-11,877.45-4,778.28

Finding the Fourth Proportional to 8,606.76, 11,877.45 and 4,778.28

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Solution

The fourth proportional to 8,606.76, 11,877.45 and 4,778.28 is: 6,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.76 : 11,877.45 = 4,778.28 : x
  2. Step 2: Convert to fraction form
    8,606.76/11,877.45 = 4,778.28/x
  3. Step 3: Cross multiply
    8,606.76x = 11,877.45 × 4,778.28
  4. Step 4: Simplify right side
    8,606.76x = 56,753,781.79
  5. Step 5: Solve for x
    x = 56,753,781.79/8,606.76
  6. Step 6: Final answer
    x = 6,594.09

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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.