Home / 8,712.55-13,070.45-2,708.83

Finding the Fourth Proportional to 8,712.55, 13,070.45 and 2,708.83

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Solution

The fourth proportional to 8,712.55, 13,070.45 and 2,708.83 is: 4,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.55 : 13,070.45 = 2,708.83 : x
  2. Step 2: Convert to fraction form
    8,712.55/13,070.45 = 2,708.83/x
  3. Step 3: Cross multiply
    8,712.55x = 13,070.45 × 2,708.83
  4. Step 4: Simplify right side
    8,712.55x = 35,405,627.07
  5. Step 5: Solve for x
    x = 35,405,627.07/8,712.55
  6. Step 6: Final answer
    x = 4,063.75

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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.