Home / 8,895.85-12,276.10-4,917.13

Finding the Fourth Proportional to 8,895.85, 12,276.10 and 4,917.13

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Solution

The fourth proportional to 8,895.85, 12,276.10 and 4,917.13 is: 6,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.85 : 12,276.10 = 4,917.13 : x
  2. Step 2: Convert to fraction form
    8,895.85/12,276.10 = 4,917.13/x
  3. Step 3: Cross multiply
    8,895.85x = 12,276.10 × 4,917.13
  4. Step 4: Simplify right side
    8,895.85x = 60,363,155.01
  5. Step 5: Solve for x
    x = 60,363,155.01/8,895.85
  6. Step 6: Final answer
    x = 6,785.54

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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.