Home / 7,310.12-10,087.13-4,478.18

Finding the Fourth Proportional to 7,310.12, 10,087.13 and 4,478.18

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Solution

The fourth proportional to 7,310.12, 10,087.13 and 4,478.18 is: 6,179.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.12 : 10,087.13 = 4,478.18 : x
  2. Step 2: Convert to fraction form
    7,310.12/10,087.13 = 4,478.18/x
  3. Step 3: Cross multiply
    7,310.12x = 10,087.13 × 4,478.18
  4. Step 4: Simplify right side
    7,310.12x = 45,171,944.58
  5. Step 5: Solve for x
    x = 45,171,944.58/7,310.12
  6. Step 6: Final answer
    x = 6,179.38

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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.