Home / 8,937.90-13,410.81-3,098.70

Finding the Fourth Proportional to 8,937.90, 13,410.81 and 3,098.70

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Solution

The fourth proportional to 8,937.90, 13,410.81 and 3,098.70 is: 4,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.90 : 13,410.81 = 3,098.70 : x
  2. Step 2: Convert to fraction form
    8,937.90/13,410.81 = 3,098.70/x
  3. Step 3: Cross multiply
    8,937.90x = 13,410.81 × 3,098.70
  4. Step 4: Simplify right side
    8,937.90x = 41,556,076.95
  5. Step 5: Solve for x
    x = 41,556,076.95/8,937.90
  6. Step 6: Final answer
    x = 4,649.42

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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.