Home / 7,290.47-10,934.60-3,591.68

Finding the Fourth Proportional to 7,290.47, 10,934.60 and 3,591.68

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Solution

The fourth proportional to 7,290.47, 10,934.60 and 3,591.68 is: 5,386.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.47 : 10,934.60 = 3,591.68 : x
  2. Step 2: Convert to fraction form
    7,290.47/10,934.60 = 3,591.68/x
  3. Step 3: Cross multiply
    7,290.47x = 10,934.60 × 3,591.68
  4. Step 4: Simplify right side
    7,290.47x = 39,273,511.50
  5. Step 5: Solve for x
    x = 39,273,511.50/7,290.47
  6. Step 6: Final answer
    x = 5,386.96

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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.