Home / 9,160.64-12,638.08-5,977.66

Finding the Fourth Proportional to 9,160.64, 12,638.08 and 5,977.66

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Solution

The fourth proportional to 9,160.64, 12,638.08 and 5,977.66 is: 8,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.64 : 12,638.08 = 5,977.66 : x
  2. Step 2: Convert to fraction form
    9,160.64/12,638.08 = 5,977.66/x
  3. Step 3: Cross multiply
    9,160.64x = 12,638.08 × 5,977.66
  4. Step 4: Simplify right side
    9,160.64x = 75,546,145.29
  5. Step 5: Solve for x
    x = 75,546,145.29/9,160.64
  6. Step 6: Final answer
    x = 8,246.82

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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.