Home / 7,272.30-10,035.54-4,085.70

Finding the Fourth Proportional to 7,272.30, 10,035.54 and 4,085.70

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Solution

The fourth proportional to 7,272.30, 10,035.54 and 4,085.70 is: 5,638.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.30 : 10,035.54 = 4,085.70 : x
  2. Step 2: Convert to fraction form
    7,272.30/10,035.54 = 4,085.70/x
  3. Step 3: Cross multiply
    7,272.30x = 10,035.54 × 4,085.70
  4. Step 4: Simplify right side
    7,272.30x = 41,002,205.78
  5. Step 5: Solve for x
    x = 41,002,205.78/7,272.30
  6. Step 6: Final answer
    x = 5,638.13

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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.