Home / 6,475.32-9,712.02-1,857.72

Finding the Fourth Proportional to 6,475.32, 9,712.02 and 1,857.72

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Solution

The fourth proportional to 6,475.32, 9,712.02 and 1,857.72 is: 2,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.32 : 9,712.02 = 1,857.72 : x
  2. Step 2: Convert to fraction form
    6,475.32/9,712.02 = 1,857.72/x
  3. Step 3: Cross multiply
    6,475.32x = 9,712.02 × 1,857.72
  4. Step 4: Simplify right side
    6,475.32x = 18,042,213.79
  5. Step 5: Solve for x
    x = 18,042,213.79/6,475.32
  6. Step 6: Final answer
    x = 2,786.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.