Home / 7,572.41-11,356.84-2,890.70

Finding the Fourth Proportional to 7,572.41, 11,356.84 and 2,890.70

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Solution

The fourth proportional to 7,572.41, 11,356.84 and 2,890.70 is: 4,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.41 : 11,356.84 = 2,890.70 : x
  2. Step 2: Convert to fraction form
    7,572.41/11,356.84 = 2,890.70/x
  3. Step 3: Cross multiply
    7,572.41x = 11,356.84 × 2,890.70
  4. Step 4: Simplify right side
    7,572.41x = 32,829,217.39
  5. Step 5: Solve for x
    x = 32,829,217.39/7,572.41
  6. Step 6: Final answer
    x = 4,335.37

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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.