Home / 8,851.64-12,215.27-4,872.76

Finding the Fourth Proportional to 8,851.64, 12,215.27 and 4,872.76

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Solution

The fourth proportional to 8,851.64, 12,215.27 and 4,872.76 is: 6,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.64 : 12,215.27 = 4,872.76 : x
  2. Step 2: Convert to fraction form
    8,851.64/12,215.27 = 4,872.76/x
  3. Step 3: Cross multiply
    8,851.64x = 12,215.27 × 4,872.76
  4. Step 4: Simplify right side
    8,851.64x = 59,522,024.14
  5. Step 5: Solve for x
    x = 59,522,024.14/8,851.64
  6. Step 6: Final answer
    x = 6,724.40

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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.