Home / 8,398.35-12,598.87-2,851.11

Finding the Fourth Proportional to 8,398.35, 12,598.87 and 2,851.11

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Solution

The fourth proportional to 8,398.35, 12,598.87 and 2,851.11 is: 4,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.35 : 12,598.87 = 2,851.11 : x
  2. Step 2: Convert to fraction form
    8,398.35/12,598.87 = 2,851.11/x
  3. Step 3: Cross multiply
    8,398.35x = 12,598.87 × 2,851.11
  4. Step 4: Simplify right side
    8,398.35x = 35,920,701.25
  5. Step 5: Solve for x
    x = 35,920,701.25/8,398.35
  6. Step 6: Final answer
    x = 4,277.12

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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.