Home / 5,310.02-7,954.09-4,138.76

Finding the Fourth Proportional to 5,310.02, 7,954.09 and 4,138.76

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Solution

The fourth proportional to 5,310.02, 7,954.09 and 4,138.76 is: 6,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.02 : 7,954.09 = 4,138.76 : x
  2. Step 2: Convert to fraction form
    5,310.02/7,954.09 = 4,138.76/x
  3. Step 3: Cross multiply
    5,310.02x = 7,954.09 × 4,138.76
  4. Step 4: Simplify right side
    5,310.02x = 32,920,069.53
  5. Step 5: Solve for x
    x = 32,920,069.53/5,310.02
  6. Step 6: Final answer
    x = 6,199.61

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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.