Home / 4,888.40-7,331.70-3,036.20

Finding the Fourth Proportional to 4,888.40, 7,331.70 and 3,036.20

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Solution

The fourth proportional to 4,888.40, 7,331.70 and 3,036.20 is: 4,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.40 : 7,331.70 = 3,036.20 : x
  2. Step 2: Convert to fraction form
    4,888.40/7,331.70 = 3,036.20/x
  3. Step 3: Cross multiply
    4,888.40x = 7,331.70 × 3,036.20
  4. Step 4: Simplify right side
    4,888.40x = 22,260,507.54
  5. Step 5: Solve for x
    x = 22,260,507.54/4,888.40
  6. Step 6: Final answer
    x = 4,553.74

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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.