Home / 5,234.16-7,851.57-2,312.45

Finding the Fourth Proportional to 5,234.16, 7,851.57 and 2,312.45

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Solution

The fourth proportional to 5,234.16, 7,851.57 and 2,312.45 is: 3,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.16 : 7,851.57 = 2,312.45 : x
  2. Step 2: Convert to fraction form
    5,234.16/7,851.57 = 2,312.45/x
  3. Step 3: Cross multiply
    5,234.16x = 7,851.57 × 2,312.45
  4. Step 4: Simplify right side
    5,234.16x = 18,156,363.05
  5. Step 5: Solve for x
    x = 18,156,363.05/5,234.16
  6. Step 6: Final answer
    x = 3,468.82

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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.