Home / 4,569.28-6,856.66-1,972.21

Finding the Fourth Proportional to 4,569.28, 6,856.66 and 1,972.21

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Solution

The fourth proportional to 4,569.28, 6,856.66 and 1,972.21 is: 2,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,569.28 : 6,856.66 = 1,972.21 : x
  2. Step 2: Convert to fraction form
    4,569.28/6,856.66 = 1,972.21/x
  3. Step 3: Cross multiply
    4,569.28x = 6,856.66 × 1,972.21
  4. Step 4: Simplify right side
    4,569.28x = 13,522,763.56
  5. Step 5: Solve for x
    x = 13,522,763.56/4,569.28
  6. Step 6: Final answer
    x = 2,959.50

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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.