Home / 7,281.70-10,930.65-4,001.20

Finding the Fourth Proportional to 7,281.70, 10,930.65 and 4,001.20

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Solution

The fourth proportional to 7,281.70, 10,930.65 and 4,001.20 is: 6,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.70 : 10,930.65 = 4,001.20 : x
  2. Step 2: Convert to fraction form
    7,281.70/10,930.65 = 4,001.20/x
  3. Step 3: Cross multiply
    7,281.70x = 10,930.65 × 4,001.20
  4. Step 4: Simplify right side
    7,281.70x = 43,735,716.78
  5. Step 5: Solve for x
    x = 43,735,716.78/7,281.70
  6. Step 6: Final answer
    x = 6,006.25

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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.