Home / 7,314.12-10,091.16-4,478.54

Finding the Fourth Proportional to 7,314.12, 10,091.16 and 4,478.54

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Solution

The fourth proportional to 7,314.12, 10,091.16 and 4,478.54 is: 6,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.12 : 10,091.16 = 4,478.54 : x
  2. Step 2: Convert to fraction form
    7,314.12/10,091.16 = 4,478.54/x
  3. Step 3: Cross multiply
    7,314.12x = 10,091.16 × 4,478.54
  4. Step 4: Simplify right side
    7,314.12x = 45,193,663.71
  5. Step 5: Solve for x
    x = 45,193,663.71/7,314.12
  6. Step 6: Final answer
    x = 6,178.96

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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.