Home / 8,442.18-12,663.09-2,598.66

Finding the Fourth Proportional to 8,442.18, 12,663.09 and 2,598.66

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Solution

The fourth proportional to 8,442.18, 12,663.09 and 2,598.66 is: 3,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.18 : 12,663.09 = 2,598.66 : x
  2. Step 2: Convert to fraction form
    8,442.18/12,663.09 = 2,598.66/x
  3. Step 3: Cross multiply
    8,442.18x = 12,663.09 × 2,598.66
  4. Step 4: Simplify right side
    8,442.18x = 32,907,065.46
  5. Step 5: Solve for x
    x = 32,907,065.46/8,442.18
  6. Step 6: Final answer
    x = 3,897.93

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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.