Home / 8,837.20-13,288.20-7,411.60

Finding the Fourth Proportional to 8,837.20, 13,288.20 and 7,411.60

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Solution

The fourth proportional to 8,837.20, 13,288.20 and 7,411.60 is: 11,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.20 : 13,288.20 = 7,411.60 : x
  2. Step 2: Convert to fraction form
    8,837.20/13,288.20 = 7,411.60/x
  3. Step 3: Cross multiply
    8,837.20x = 13,288.20 × 7,411.60
  4. Step 4: Simplify right side
    8,837.20x = 98,486,823.12
  5. Step 5: Solve for x
    x = 98,486,823.12/8,837.20
  6. Step 6: Final answer
    x = 11,144.57

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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.