Home / 4,853.40-7,280.10-1,568.75

Finding the Fourth Proportional to 4,853.40, 7,280.10 and 1,568.75

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Solution

The fourth proportional to 4,853.40, 7,280.10 and 1,568.75 is: 2,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.40 : 7,280.10 = 1,568.75 : x
  2. Step 2: Convert to fraction form
    4,853.40/7,280.10 = 1,568.75/x
  3. Step 3: Cross multiply
    4,853.40x = 7,280.10 × 1,568.75
  4. Step 4: Simplify right side
    4,853.40x = 11,420,620.47
  5. Step 5: Solve for x
    x = 11,420,620.47/4,853.40
  6. Step 6: Final answer
    x = 2,353.12

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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.