Home / 6,861.18-10,291.80-1,667.04

Finding the Fourth Proportional to 6,861.18, 10,291.80 and 1,667.04

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Solution

The fourth proportional to 6,861.18, 10,291.80 and 1,667.04 is: 2,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.18 : 10,291.80 = 1,667.04 : x
  2. Step 2: Convert to fraction form
    6,861.18/10,291.80 = 1,667.04/x
  3. Step 3: Cross multiply
    6,861.18x = 10,291.80 × 1,667.04
  4. Step 4: Simplify right side
    6,861.18x = 17,156,842.27
  5. Step 5: Solve for x
    x = 17,156,842.27/6,861.18
  6. Step 6: Final answer
    x = 2,500.57

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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.