Home / 5,553.30-8,331.03-1,657.62

Finding the Fourth Proportional to 5,553.30, 8,331.03 and 1,657.62

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Solution

The fourth proportional to 5,553.30, 8,331.03 and 1,657.62 is: 2,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.30 : 8,331.03 = 1,657.62 : x
  2. Step 2: Convert to fraction form
    5,553.30/8,331.03 = 1,657.62/x
  3. Step 3: Cross multiply
    5,553.30x = 8,331.03 × 1,657.62
  4. Step 4: Simplify right side
    5,553.30x = 13,809,681.95
  5. Step 5: Solve for x
    x = 13,809,681.95/5,553.30
  6. Step 6: Final answer
    x = 2,486.75

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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.