Home / 5,047.20-7,567.20-2,085.12

Finding the Fourth Proportional to 5,047.20, 7,567.20 and 2,085.12

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Solution

The fourth proportional to 5,047.20, 7,567.20 and 2,085.12 is: 3,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.20 : 7,567.20 = 2,085.12 : x
  2. Step 2: Convert to fraction form
    5,047.20/7,567.20 = 2,085.12/x
  3. Step 3: Cross multiply
    5,047.20x = 7,567.20 × 2,085.12
  4. Step 4: Simplify right side
    5,047.20x = 15,778,520.06
  5. Step 5: Solve for x
    x = 15,778,520.06/5,047.20
  6. Step 6: Final answer
    x = 3,126.19

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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.