Home / 7,312.92-10,091.58-4,170.12

Finding the Fourth Proportional to 7,312.92, 10,091.58 and 4,170.12

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Solution

The fourth proportional to 7,312.92, 10,091.58 and 4,170.12 is: 5,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.92 : 10,091.58 = 4,170.12 : x
  2. Step 2: Convert to fraction form
    7,312.92/10,091.58 = 4,170.12/x
  3. Step 3: Cross multiply
    7,312.92x = 10,091.58 × 4,170.12
  4. Step 4: Simplify right side
    7,312.92x = 42,083,099.59
  5. Step 5: Solve for x
    x = 42,083,099.59/7,312.92
  6. Step 6: Final answer
    x = 5,754.62

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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.