Home / 8,442.70-12,663.34-2,598.75

Finding the Fourth Proportional to 8,442.70, 12,663.34 and 2,598.75

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Solution

The fourth proportional to 8,442.70, 12,663.34 and 2,598.75 is: 3,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.70 : 12,663.34 = 2,598.75 : x
  2. Step 2: Convert to fraction form
    8,442.70/12,663.34 = 2,598.75/x
  3. Step 3: Cross multiply
    8,442.70x = 12,663.34 × 2,598.75
  4. Step 4: Simplify right side
    8,442.70x = 32,908,848.33
  5. Step 5: Solve for x
    x = 32,908,848.33/8,442.70
  6. Step 6: Final answer
    x = 3,897.91

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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.