Home / 5,553.56-8,331.66-1,658.07

Finding the Fourth Proportional to 5,553.56, 8,331.66 and 1,658.07

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Solution

The fourth proportional to 5,553.56, 8,331.66 and 1,658.07 is: 2,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.56 : 8,331.66 = 1,658.07 : x
  2. Step 2: Convert to fraction form
    5,553.56/8,331.66 = 1,658.07/x
  3. Step 3: Cross multiply
    5,553.56x = 8,331.66 × 1,658.07
  4. Step 4: Simplify right side
    5,553.56x = 13,814,475.50
  5. Step 5: Solve for x
    x = 13,814,475.50/5,553.56
  6. Step 6: Final answer
    x = 2,487.50

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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.