Home / 5,434.64-8,151.48-1,971.92

Finding the Fourth Proportional to 5,434.64, 8,151.48 and 1,971.92

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Solution

The fourth proportional to 5,434.64, 8,151.48 and 1,971.92 is: 2,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.64 : 8,151.48 = 1,971.92 : x
  2. Step 2: Convert to fraction form
    5,434.64/8,151.48 = 1,971.92/x
  3. Step 3: Cross multiply
    5,434.64x = 8,151.48 × 1,971.92
  4. Step 4: Simplify right side
    5,434.64x = 16,074,066.44
  5. Step 5: Solve for x
    x = 16,074,066.44/5,434.64
  6. Step 6: Final answer
    x = 2,957.71

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Double scale
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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.