Home / 8,445.92-11,655.02-4,908.86

Finding the Fourth Proportional to 8,445.92, 11,655.02 and 4,908.86

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Solution

The fourth proportional to 8,445.92, 11,655.02 and 4,908.86 is: 6,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.92 : 11,655.02 = 4,908.86 : x
  2. Step 2: Convert to fraction form
    8,445.92/11,655.02 = 4,908.86/x
  3. Step 3: Cross multiply
    8,445.92x = 11,655.02 × 4,908.86
  4. Step 4: Simplify right side
    8,445.92x = 57,212,778.66
  5. Step 5: Solve for x
    x = 57,212,778.66/8,445.92
  6. Step 6: Final answer
    x = 6,774.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.