Home / 9,376.30-12,939.29-5,343.01

Finding the Fourth Proportional to 9,376.30, 12,939.29 and 5,343.01

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Solution

The fourth proportional to 9,376.30, 12,939.29 and 5,343.01 is: 7,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.30 : 12,939.29 = 5,343.01 : x
  2. Step 2: Convert to fraction form
    9,376.30/12,939.29 = 5,343.01/x
  3. Step 3: Cross multiply
    9,376.30x = 12,939.29 × 5,343.01
  4. Step 4: Simplify right side
    9,376.30x = 69,134,759.73
  5. Step 5: Solve for x
    x = 69,134,759.73/9,376.30
  6. Step 6: Final answer
    x = 7,373.35

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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.