Home / 8,756.55-13,132.80-2,911.59

Finding the Fourth Proportional to 8,756.55, 13,132.80 and 2,911.59

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Solution

The fourth proportional to 8,756.55, 13,132.80 and 2,911.59 is: 4,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.55 : 13,132.80 = 2,911.59 : x
  2. Step 2: Convert to fraction form
    8,756.55/13,132.80 = 2,911.59/x
  3. Step 3: Cross multiply
    8,756.55x = 13,132.80 × 2,911.59
  4. Step 4: Simplify right side
    8,756.55x = 38,237,329.15
  5. Step 5: Solve for x
    x = 38,237,329.15/8,756.55
  6. Step 6: Final answer
    x = 4,366.71

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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.