Home / 8,655.02-12,982.60-4,757.30

Finding the Fourth Proportional to 8,655.02, 12,982.60 and 4,757.30

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Solution

The fourth proportional to 8,655.02, 12,982.60 and 4,757.30 is: 7,135.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.02 : 12,982.60 = 4,757.30 : x
  2. Step 2: Convert to fraction form
    8,655.02/12,982.60 = 4,757.30/x
  3. Step 3: Cross multiply
    8,655.02x = 12,982.60 × 4,757.30
  4. Step 4: Simplify right side
    8,655.02x = 61,762,122.98
  5. Step 5: Solve for x
    x = 61,762,122.98/8,655.02
  6. Step 6: Final answer
    x = 7,135.99

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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.