Home / 6,491.47-9,733.31-2,977.07

Finding the Fourth Proportional to 6,491.47, 9,733.31 and 2,977.07

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Solution

The fourth proportional to 6,491.47, 9,733.31 and 2,977.07 is: 4,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.47 : 9,733.31 = 2,977.07 : x
  2. Step 2: Convert to fraction form
    6,491.47/9,733.31 = 2,977.07/x
  3. Step 3: Cross multiply
    6,491.47x = 9,733.31 × 2,977.07
  4. Step 4: Simplify right side
    6,491.47x = 28,976,734.04
  5. Step 5: Solve for x
    x = 28,976,734.04/6,491.47
  6. Step 6: Final answer
    x = 4,463.82

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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.