Home / 5,655.20-8,497.20-5,021.60

Finding the Fourth Proportional to 5,655.20, 8,497.20 and 5,021.60

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Solution

The fourth proportional to 5,655.20, 8,497.20 and 5,021.60 is: 7,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.20 : 8,497.20 = 5,021.60 : x
  2. Step 2: Convert to fraction form
    5,655.20/8,497.20 = 5,021.60/x
  3. Step 3: Cross multiply
    5,655.20x = 8,497.20 × 5,021.60
  4. Step 4: Simplify right side
    5,655.20x = 42,669,539.52
  5. Step 5: Solve for x
    x = 42,669,539.52/5,655.20
  6. Step 6: Final answer
    x = 7,545.19

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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.