Home / 8,760.35-13,140.05-2,837.12

Finding the Fourth Proportional to 8,760.35, 13,140.05 and 2,837.12

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Solution

The fourth proportional to 8,760.35, 13,140.05 and 2,837.12 is: 4,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.35 : 13,140.05 = 2,837.12 : x
  2. Step 2: Convert to fraction form
    8,760.35/13,140.05 = 2,837.12/x
  3. Step 3: Cross multiply
    8,760.35x = 13,140.05 × 2,837.12
  4. Step 4: Simplify right side
    8,760.35x = 37,279,818.77
  5. Step 5: Solve for x
    x = 37,279,818.77/8,760.35
  6. Step 6: Final answer
    x = 4,255.52

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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.