Home / 5,236.13-7,851.18-2,117.63

Finding the Fourth Proportional to 5,236.13, 7,851.18 and 2,117.63

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Solution

The fourth proportional to 5,236.13, 7,851.18 and 2,117.63 is: 3,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.13 : 7,851.18 = 2,117.63 : x
  2. Step 2: Convert to fraction form
    5,236.13/7,851.18 = 2,117.63/x
  3. Step 3: Cross multiply
    5,236.13x = 7,851.18 × 2,117.63
  4. Step 4: Simplify right side
    5,236.13x = 16,625,894.30
  5. Step 5: Solve for x
    x = 16,625,894.30/5,236.13
  6. Step 6: Final answer
    x = 3,175.23

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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.