Home / 8,681.54-13,022.30-2,442.20

Finding the Fourth Proportional to 8,681.54, 13,022.30 and 2,442.20

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Solution

The fourth proportional to 8,681.54, 13,022.30 and 2,442.20 is: 3,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.54 : 13,022.30 = 2,442.20 : x
  2. Step 2: Convert to fraction form
    8,681.54/13,022.30 = 2,442.20/x
  3. Step 3: Cross multiply
    8,681.54x = 13,022.30 × 2,442.20
  4. Step 4: Simplify right side
    8,681.54x = 31,802,983.74
  5. Step 5: Solve for x
    x = 31,802,983.74/8,681.54
  6. Step 6: Final answer
    x = 3,663.29

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1.5x scale

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.