Home / 7,312.43-10,091.18-4,168.60

Finding the Fourth Proportional to 7,312.43, 10,091.18 and 4,168.60

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Solution

The fourth proportional to 7,312.43, 10,091.18 and 4,168.60 is: 5,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.43 : 10,091.18 = 4,168.60 : x
  2. Step 2: Convert to fraction form
    7,312.43/10,091.18 = 4,168.60/x
  3. Step 3: Cross multiply
    7,312.43x = 10,091.18 × 4,168.60
  4. Step 4: Simplify right side
    7,312.43x = 42,066,092.95
  5. Step 5: Solve for x
    x = 42,066,092.95/7,312.43
  6. Step 6: Final answer
    x = 5,752.68

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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.