Home / 8,280.91-11,427.66-4,554.91

Finding the Fourth Proportional to 8,280.91, 11,427.66 and 4,554.91

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Solution

The fourth proportional to 8,280.91, 11,427.66 and 4,554.91 is: 6,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.91 : 11,427.66 = 4,554.91 : x
  2. Step 2: Convert to fraction form
    8,280.91/11,427.66 = 4,554.91/x
  3. Step 3: Cross multiply
    8,280.91x = 11,427.66 × 4,554.91
  4. Step 4: Simplify right side
    8,280.91x = 52,051,962.81
  5. Step 5: Solve for x
    x = 52,051,962.81/8,280.91
  6. Step 6: Final answer
    x = 6,285.78

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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.