Home / 8,854.74-12,219.62-4,875.87

Finding the Fourth Proportional to 8,854.74, 12,219.62 and 4,875.87

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Solution

The fourth proportional to 8,854.74, 12,219.62 and 4,875.87 is: 6,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.74 : 12,219.62 = 4,875.87 : x
  2. Step 2: Convert to fraction form
    8,854.74/12,219.62 = 4,875.87/x
  3. Step 3: Cross multiply
    8,854.74x = 12,219.62 × 4,875.87
  4. Step 4: Simplify right side
    8,854.74x = 59,581,244.94
  5. Step 5: Solve for x
    x = 59,581,244.94/8,854.74
  6. Step 6: Final answer
    x = 6,728.74

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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.