Home / 6,320.47-8,723.02-3,631.68

Finding the Fourth Proportional to 6,320.47, 8,723.02 and 3,631.68

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Solution

The fourth proportional to 6,320.47, 8,723.02 and 3,631.68 is: 5,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.47 : 8,723.02 = 3,631.68 : x
  2. Step 2: Convert to fraction form
    6,320.47/8,723.02 = 3,631.68/x
  3. Step 3: Cross multiply
    6,320.47x = 8,723.02 × 3,631.68
  4. Step 4: Simplify right side
    6,320.47x = 31,679,254.52
  5. Step 5: Solve for x
    x = 31,679,254.52/6,320.47
  6. Step 6: Final answer
    x = 5,012.17

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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.