Home / 7,531.07-10,391.55-4,343.68

Finding the Fourth Proportional to 7,531.07, 10,391.55 and 4,343.68

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Solution

The fourth proportional to 7,531.07, 10,391.55 and 4,343.68 is: 5,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.07 : 10,391.55 = 4,343.68 : x
  2. Step 2: Convert to fraction form
    7,531.07/10,391.55 = 4,343.68/x
  3. Step 3: Cross multiply
    7,531.07x = 10,391.55 × 4,343.68
  4. Step 4: Simplify right side
    7,531.07x = 45,137,567.90
  5. Step 5: Solve for x
    x = 45,137,567.90/7,531.07
  6. Step 6: Final answer
    x = 5,993.51

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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.