Home / 8,854.57-12,219.24-4,875.75

Finding the Fourth Proportional to 8,854.57, 12,219.24 and 4,875.75

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Solution

The fourth proportional to 8,854.57, 12,219.24 and 4,875.75 is: 6,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.57 : 12,219.24 = 4,875.75 : x
  2. Step 2: Convert to fraction form
    8,854.57/12,219.24 = 4,875.75/x
  3. Step 3: Cross multiply
    8,854.57x = 12,219.24 × 4,875.75
  4. Step 4: Simplify right side
    8,854.57x = 59,577,959.43
  5. Step 5: Solve for x
    x = 59,577,959.43/8,854.57
  6. Step 6: Final answer
    x = 6,728.50

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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.