Home / 5,710.72-8,560.80-2,247.20

Finding the Fourth Proportional to 5,710.72, 8,560.80 and 2,247.20

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Solution

The fourth proportional to 5,710.72, 8,560.80 and 2,247.20 is: 3,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.72 : 8,560.80 = 2,247.20 : x
  2. Step 2: Convert to fraction form
    5,710.72/8,560.80 = 2,247.20/x
  3. Step 3: Cross multiply
    5,710.72x = 8,560.80 × 2,247.20
  4. Step 4: Simplify right side
    5,710.72x = 19,237,829.76
  5. Step 5: Solve for x
    x = 19,237,829.76/5,710.72
  6. Step 6: Final answer
    x = 3,368.72

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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.