Home / 5,555.55-8,331.30-1,658.64

Finding the Fourth Proportional to 5,555.55, 8,331.30 and 1,658.64

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Solution

The fourth proportional to 5,555.55, 8,331.30 and 1,658.64 is: 2,487.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.55 : 8,331.30 = 1,658.64 : x
  2. Step 2: Convert to fraction form
    5,555.55/8,331.30 = 1,658.64/x
  3. Step 3: Cross multiply
    5,555.55x = 8,331.30 × 1,658.64
  4. Step 4: Simplify right side
    5,555.55x = 13,818,627.43
  5. Step 5: Solve for x
    x = 13,818,627.43/5,555.55
  6. Step 6: Final answer
    x = 2,487.36

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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.