Home / 7,257.68-10,015.60-4,273.84

Finding the Fourth Proportional to 7,257.68, 10,015.60 and 4,273.84

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Solution

The fourth proportional to 7,257.68, 10,015.60 and 4,273.84 is: 5,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.68 : 10,015.60 = 4,273.84 : x
  2. Step 2: Convert to fraction form
    7,257.68/10,015.60 = 4,273.84/x
  3. Step 3: Cross multiply
    7,257.68x = 10,015.60 × 4,273.84
  4. Step 4: Simplify right side
    7,257.68x = 42,805,071.90
  5. Step 5: Solve for x
    x = 42,805,071.90/7,257.68
  6. Step 6: Final answer
    x = 5,897.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.