Home / 5,553.06-8,330.40-1,657.50

Finding the Fourth Proportional to 5,553.06, 8,330.40 and 1,657.50

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Solution

The fourth proportional to 5,553.06, 8,330.40 and 1,657.50 is: 2,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.06 : 8,330.40 = 1,657.50 : x
  2. Step 2: Convert to fraction form
    5,553.06/8,330.40 = 1,657.50/x
  3. Step 3: Cross multiply
    5,553.06x = 8,330.40 × 1,657.50
  4. Step 4: Simplify right side
    5,553.06x = 13,807,638
  5. Step 5: Solve for x
    x = 13,807,638/5,553.06
  6. Step 6: Final answer
    x = 2,486.49

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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.