Home / 5,434.74-8,152.71-1,971.18

Finding the Fourth Proportional to 5,434.74, 8,152.71 and 1,971.18

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Solution

The fourth proportional to 5,434.74, 8,152.71 and 1,971.18 is: 2,956.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.74 : 8,152.71 = 1,971.18 : x
  2. Step 2: Convert to fraction form
    5,434.74/8,152.71 = 1,971.18/x
  3. Step 3: Cross multiply
    5,434.74x = 8,152.71 × 1,971.18
  4. Step 4: Simplify right side
    5,434.74x = 16,070,458.90
  5. Step 5: Solve for x
    x = 16,070,458.90/5,434.74
  6. Step 6: Final answer
    x = 2,956.99

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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.