Home / 4,460.78-6,691.25-1,688.76

Finding the Fourth Proportional to 4,460.78, 6,691.25 and 1,688.76

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Solution

The fourth proportional to 4,460.78, 6,691.25 and 1,688.76 is: 2,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,460.78 : 6,691.25 = 1,688.76 : x
  2. Step 2: Convert to fraction form
    4,460.78/6,691.25 = 1,688.76/x
  3. Step 3: Cross multiply
    4,460.78x = 6,691.25 × 1,688.76
  4. Step 4: Simplify right side
    4,460.78x = 11,299,919.57
  5. Step 5: Solve for x
    x = 11,299,919.57/4,460.78
  6. Step 6: Final answer
    x = 2,533.17

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Similar ratio
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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.