Home / 8,864.60-12,232.71-4,885.07

Finding the Fourth Proportional to 8,864.60, 12,232.71 and 4,885.07

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Solution

The fourth proportional to 8,864.60, 12,232.71 and 4,885.07 is: 6,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.60 : 12,232.71 = 4,885.07 : x
  2. Step 2: Convert to fraction form
    8,864.60/12,232.71 = 4,885.07/x
  3. Step 3: Cross multiply
    8,864.60x = 12,232.71 × 4,885.07
  4. Step 4: Simplify right side
    8,864.60x = 59,757,675.22
  5. Step 5: Solve for x
    x = 59,757,675.22/8,864.60
  6. Step 6: Final answer
    x = 6,741.16

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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.