Home / 7,217.60-9,960.73-4,030.90

Finding the Fourth Proportional to 7,217.60, 9,960.73 and 4,030.90

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Solution

The fourth proportional to 7,217.60, 9,960.73 and 4,030.90 is: 5,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.60 : 9,960.73 = 4,030.90 : x
  2. Step 2: Convert to fraction form
    7,217.60/9,960.73 = 4,030.90/x
  3. Step 3: Cross multiply
    7,217.60x = 9,960.73 × 4,030.90
  4. Step 4: Simplify right side
    7,217.60x = 40,150,671.58
  5. Step 5: Solve for x
    x = 40,150,671.58/7,217.60
  6. Step 6: Final answer
    x = 5,562.89

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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.