Home / 7,339.68-10,129.50-4,356.72

Finding the Fourth Proportional to 7,339.68, 10,129.50 and 4,356.72

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Solution

The fourth proportional to 7,339.68, 10,129.50 and 4,356.72 is: 6,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.68 : 10,129.50 = 4,356.72 : x
  2. Step 2: Convert to fraction form
    7,339.68/10,129.50 = 4,356.72/x
  3. Step 3: Cross multiply
    7,339.68x = 10,129.50 × 4,356.72
  4. Step 4: Simplify right side
    7,339.68x = 44,131,395.24
  5. Step 5: Solve for x
    x = 44,131,395.24/7,339.68
  6. Step 6: Final answer
    x = 6,012.71

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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.