Home / 5,555.27-8,331.69-1,658.77

Finding the Fourth Proportional to 5,555.27, 8,331.69 and 1,658.77

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Solution

The fourth proportional to 5,555.27, 8,331.69 and 1,658.77 is: 2,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.27 : 8,331.69 = 1,658.77 : x
  2. Step 2: Convert to fraction form
    5,555.27/8,331.69 = 1,658.77/x
  3. Step 3: Cross multiply
    5,555.27x = 8,331.69 × 1,658.77
  4. Step 4: Simplify right side
    5,555.27x = 13,820,357.42
  5. Step 5: Solve for x
    x = 13,820,357.42/5,555.27
  6. Step 6: Final answer
    x = 2,487.79

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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.