Home / 7,581.12-10,462.19-4,223.85

Finding the Fourth Proportional to 7,581.12, 10,462.19 and 4,223.85

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Solution

The fourth proportional to 7,581.12, 10,462.19 and 4,223.85 is: 5,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.12 : 10,462.19 = 4,223.85 : x
  2. Step 2: Convert to fraction form
    7,581.12/10,462.19 = 4,223.85/x
  3. Step 3: Cross multiply
    7,581.12x = 10,462.19 × 4,223.85
  4. Step 4: Simplify right side
    7,581.12x = 44,190,721.23
  5. Step 5: Solve for x
    x = 44,190,721.23/7,581.12
  6. Step 6: Final answer
    x = 5,829.05

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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.