Home / 7,282.82-10,040.12-6,159.24

Finding the Fourth Proportional to 7,282.82, 10,040.12 and 6,159.24

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Solution

The fourth proportional to 7,282.82, 10,040.12 and 6,159.24 is: 8,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.82 : 10,040.12 = 6,159.24 : x
  2. Step 2: Convert to fraction form
    7,282.82/10,040.12 = 6,159.24/x
  3. Step 3: Cross multiply
    7,282.82x = 10,040.12 × 6,159.24
  4. Step 4: Simplify right side
    7,282.82x = 61,839,508.71
  5. Step 5: Solve for x
    x = 61,839,508.71/7,282.82
  6. Step 6: Final answer
    x = 8,491.15

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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.