Home / 5,059.38-6,981.54-2,821.34

Finding the Fourth Proportional to 5,059.38, 6,981.54 and 2,821.34

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Solution

The fourth proportional to 5,059.38, 6,981.54 and 2,821.34 is: 3,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.38 : 6,981.54 = 2,821.34 : x
  2. Step 2: Convert to fraction form
    5,059.38/6,981.54 = 2,821.34/x
  3. Step 3: Cross multiply
    5,059.38x = 6,981.54 × 2,821.34
  4. Step 4: Simplify right side
    5,059.38x = 19,697,298.06
  5. Step 5: Solve for x
    x = 19,697,298.06/5,059.38
  6. Step 6: Final answer
    x = 3,893.22

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Half scale
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Double scale
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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.