Home / 5,236.42-7,225.86-3,140.14

Finding the Fourth Proportional to 5,236.42, 7,225.86 and 3,140.14

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Solution

The fourth proportional to 5,236.42, 7,225.86 and 3,140.14 is: 4,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.42 : 7,225.86 = 3,140.14 : x
  2. Step 2: Convert to fraction form
    5,236.42/7,225.86 = 3,140.14/x
  3. Step 3: Cross multiply
    5,236.42x = 7,225.86 × 3,140.14
  4. Step 4: Simplify right side
    5,236.42x = 22,690,212.02
  5. Step 5: Solve for x
    x = 22,690,212.02/5,236.42
  6. Step 6: Final answer
    x = 4,333.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.