Home / 4,980.40-7,470.60-3,250.48

Finding the Fourth Proportional to 4,980.40, 7,470.60 and 3,250.48

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Solution

The fourth proportional to 4,980.40, 7,470.60 and 3,250.48 is: 4,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.40 : 7,470.60 = 3,250.48 : x
  2. Step 2: Convert to fraction form
    4,980.40/7,470.60 = 3,250.48/x
  3. Step 3: Cross multiply
    4,980.40x = 7,470.60 × 3,250.48
  4. Step 4: Simplify right side
    4,980.40x = 24,283,035.89
  5. Step 5: Solve for x
    x = 24,283,035.89/4,980.40
  6. Step 6: Final answer
    x = 4,875.72

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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.