Home / 6,384.78-9,570.07-2,685.91

Finding the Fourth Proportional to 6,384.78, 9,570.07 and 2,685.91

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Solution

The fourth proportional to 6,384.78, 9,570.07 and 2,685.91 is: 4,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.78 : 9,570.07 = 2,685.91 : x
  2. Step 2: Convert to fraction form
    6,384.78/9,570.07 = 2,685.91/x
  3. Step 3: Cross multiply
    6,384.78x = 9,570.07 × 2,685.91
  4. Step 4: Simplify right side
    6,384.78x = 25,704,346.71
  5. Step 5: Solve for x
    x = 25,704,346.71/6,384.78
  6. Step 6: Final answer
    x = 4,025.88

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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.