Home / 5,810.72-8,715.76-2,113.44

Finding the Fourth Proportional to 5,810.72, 8,715.76 and 2,113.44

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Solution

The fourth proportional to 5,810.72, 8,715.76 and 2,113.44 is: 3,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.72 : 8,715.76 = 2,113.44 : x
  2. Step 2: Convert to fraction form
    5,810.72/8,715.76 = 2,113.44/x
  3. Step 3: Cross multiply
    5,810.72x = 8,715.76 × 2,113.44
  4. Step 4: Simplify right side
    5,810.72x = 18,420,235.81
  5. Step 5: Solve for x
    x = 18,420,235.81/5,810.72
  6. Step 6: Final answer
    x = 3,170.04

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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.