Home / 4,505.92-6,749.28-2,557.12

Finding the Fourth Proportional to 4,505.92, 6,749.28 and 2,557.12

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Solution

The fourth proportional to 4,505.92, 6,749.28 and 2,557.12 is: 3,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.92 : 6,749.28 = 2,557.12 : x
  2. Step 2: Convert to fraction form
    4,505.92/6,749.28 = 2,557.12/x
  3. Step 3: Cross multiply
    4,505.92x = 6,749.28 × 2,557.12
  4. Step 4: Simplify right side
    4,505.92x = 17,258,718.87
  5. Step 5: Solve for x
    x = 17,258,718.87/4,505.92
  6. Step 6: Final answer
    x = 3,830.23

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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.