Home / 4,852.60-7,278.90-2,543.80

Finding the Fourth Proportional to 4,852.60, 7,278.90 and 2,543.80

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Solution

The fourth proportional to 4,852.60, 7,278.90 and 2,543.80 is: 3,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,852.60 : 7,278.90 = 2,543.80 : x
  2. Step 2: Convert to fraction form
    4,852.60/7,278.90 = 2,543.80/x
  3. Step 3: Cross multiply
    4,852.60x = 7,278.90 × 2,543.80
  4. Step 4: Simplify right side
    4,852.60x = 18,516,065.82
  5. Step 5: Solve for x
    x = 18,516,065.82/4,852.60
  6. Step 6: Final answer
    x = 3,815.70

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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.