Home / 8,854.45-12,218.97-4,875.47

Finding the Fourth Proportional to 8,854.45, 12,218.97 and 4,875.47

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Solution

The fourth proportional to 8,854.45, 12,218.97 and 4,875.47 is: 6,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.45 : 12,218.97 = 4,875.47 : x
  2. Step 2: Convert to fraction form
    8,854.45/12,218.97 = 4,875.47/x
  3. Step 3: Cross multiply
    8,854.45x = 12,218.97 × 4,875.47
  4. Step 4: Simplify right side
    8,854.45x = 59,573,221.67
  5. Step 5: Solve for x
    x = 59,573,221.67/8,854.45
  6. Step 6: Final answer
    x = 6,728.06

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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.