Home / 7,117.60-10,677.14-2,738.72

Finding the Fourth Proportional to 7,117.60, 10,677.14 and 2,738.72

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Solution

The fourth proportional to 7,117.60, 10,677.14 and 2,738.72 is: 4,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.60 : 10,677.14 = 2,738.72 : x
  2. Step 2: Convert to fraction form
    7,117.60/10,677.14 = 2,738.72/x
  3. Step 3: Cross multiply
    7,117.60x = 10,677.14 × 2,738.72
  4. Step 4: Simplify right side
    7,117.60x = 29,241,696.86
  5. Step 5: Solve for x
    x = 29,241,696.86/7,117.60
  6. Step 6: Final answer
    x = 4,108.36

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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.