Home / 4,988.20-7,482.37-2,390.53

Finding the Fourth Proportional to 4,988.20, 7,482.37 and 2,390.53

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Solution

The fourth proportional to 4,988.20, 7,482.37 and 2,390.53 is: 3,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.20 : 7,482.37 = 2,390.53 : x
  2. Step 2: Convert to fraction form
    4,988.20/7,482.37 = 2,390.53/x
  3. Step 3: Cross multiply
    4,988.20x = 7,482.37 × 2,390.53
  4. Step 4: Simplify right side
    4,988.20x = 17,886,829.96
  5. Step 5: Solve for x
    x = 17,886,829.96/4,988.20
  6. Step 6: Final answer
    x = 3,585.83

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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.