Home / 8,864.79-12,232.92-4,885.21

Finding the Fourth Proportional to 8,864.79, 12,232.92 and 4,885.21

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Solution

The fourth proportional to 8,864.79, 12,232.92 and 4,885.21 is: 6,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.79 : 12,232.92 = 4,885.21 : x
  2. Step 2: Convert to fraction form
    8,864.79/12,232.92 = 4,885.21/x
  3. Step 3: Cross multiply
    8,864.79x = 12,232.92 × 4,885.21
  4. Step 4: Simplify right side
    8,864.79x = 59,760,416.72
  5. Step 5: Solve for x
    x = 59,760,416.72/8,864.79
  6. Step 6: Final answer
    x = 6,741.32

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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.