Home / 4,317.78-5,946.07-2,989.18

Finding the Fourth Proportional to 4,317.78, 5,946.07 and 2,989.18

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Solution

The fourth proportional to 4,317.78, 5,946.07 and 2,989.18 is: 4,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.78 : 5,946.07 = 2,989.18 : x
  2. Step 2: Convert to fraction form
    4,317.78/5,946.07 = 2,989.18/x
  3. Step 3: Cross multiply
    4,317.78x = 5,946.07 × 2,989.18
  4. Step 4: Simplify right side
    4,317.78x = 17,773,873.52
  5. Step 5: Solve for x
    x = 17,773,873.52/4,317.78
  6. Step 6: Final answer
    x = 4,116.44

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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.