Home / 8,452.02-12,679.40-4,777.86

Finding the Fourth Proportional to 8,452.02, 12,679.40 and 4,777.86

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Solution

The fourth proportional to 8,452.02, 12,679.40 and 4,777.86 is: 7,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.02 : 12,679.40 = 4,777.86 : x
  2. Step 2: Convert to fraction form
    8,452.02/12,679.40 = 4,777.86/x
  3. Step 3: Cross multiply
    8,452.02x = 12,679.40 × 4,777.86
  4. Step 4: Simplify right side
    8,452.02x = 60,580,398.08
  5. Step 5: Solve for x
    x = 60,580,398.08/8,452.02
  6. Step 6: Final answer
    x = 7,167.56

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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.