Home / 6,384.47-8,809.25-3,731.36

Finding the Fourth Proportional to 6,384.47, 8,809.25 and 3,731.36

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Solution

The fourth proportional to 6,384.47, 8,809.25 and 3,731.36 is: 5,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.47 : 8,809.25 = 3,731.36 : x
  2. Step 2: Convert to fraction form
    6,384.47/8,809.25 = 3,731.36/x
  3. Step 3: Cross multiply
    6,384.47x = 8,809.25 × 3,731.36
  4. Step 4: Simplify right side
    6,384.47x = 32,870,420.38
  5. Step 5: Solve for x
    x = 32,870,420.38/6,384.47
  6. Step 6: Final answer
    x = 5,148.50

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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.