Home / 7,887.60-10,884.56-4,350.80

Finding the Fourth Proportional to 7,887.60, 10,884.56 and 4,350.80

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Solution

The fourth proportional to 7,887.60, 10,884.56 and 4,350.80 is: 6,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.60 : 10,884.56 = 4,350.80 : x
  2. Step 2: Convert to fraction form
    7,887.60/10,884.56 = 4,350.80/x
  3. Step 3: Cross multiply
    7,887.60x = 10,884.56 × 4,350.80
  4. Step 4: Simplify right side
    7,887.60x = 47,356,543.65
  5. Step 5: Solve for x
    x = 47,356,543.65/7,887.60
  6. Step 6: Final answer
    x = 6,003.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.