Home / 7,505.90-11,283.15-5,329.70

Finding the Fourth Proportional to 7,505.90, 11,283.15 and 5,329.70

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Solution

The fourth proportional to 7,505.90, 11,283.15 and 5,329.70 is: 8,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.90 : 11,283.15 = 5,329.70 : x
  2. Step 2: Convert to fraction form
    7,505.90/11,283.15 = 5,329.70/x
  3. Step 3: Cross multiply
    7,505.90x = 11,283.15 × 5,329.70
  4. Step 4: Simplify right side
    7,505.90x = 60,135,804.56
  5. Step 5: Solve for x
    x = 60,135,804.56/7,505.90
  6. Step 6: Final answer
    x = 8,011.80

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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.