Home / 7,106.72-10,652.96-5,861.15

Finding the Fourth Proportional to 7,106.72, 10,652.96 and 5,861.15

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Solution

The fourth proportional to 7,106.72, 10,652.96 and 5,861.15 is: 8,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.72 : 10,652.96 = 5,861.15 : x
  2. Step 2: Convert to fraction form
    7,106.72/10,652.96 = 5,861.15/x
  3. Step 3: Cross multiply
    7,106.72x = 10,652.96 × 5,861.15
  4. Step 4: Simplify right side
    7,106.72x = 62,438,596.50
  5. Step 5: Solve for x
    x = 62,438,596.50/7,106.72
  6. Step 6: Final answer
    x = 8,785.85

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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.