Home / 8,560.91-11,813.20-4,974.93

Finding the Fourth Proportional to 8,560.91, 11,813.20 and 4,974.93

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Solution

The fourth proportional to 8,560.91, 11,813.20 and 4,974.93 is: 6,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.91 : 11,813.20 = 4,974.93 : x
  2. Step 2: Convert to fraction form
    8,560.91/11,813.20 = 4,974.93/x
  3. Step 3: Cross multiply
    8,560.91x = 11,813.20 × 4,974.93
  4. Step 4: Simplify right side
    8,560.91x = 58,769,843.08
  5. Step 5: Solve for x
    x = 58,769,843.08/8,560.91
  6. Step 6: Final answer
    x = 6,864.91

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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.