Home / 7,342.44-10,129.26-4,358.40

Finding the Fourth Proportional to 7,342.44, 10,129.26 and 4,358.40

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Solution

The fourth proportional to 7,342.44, 10,129.26 and 4,358.40 is: 6,012.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.44 : 10,129.26 = 4,358.40 : x
  2. Step 2: Convert to fraction form
    7,342.44/10,129.26 = 4,358.40/x
  3. Step 3: Cross multiply
    7,342.44x = 10,129.26 × 4,358.40
  4. Step 4: Simplify right side
    7,342.44x = 44,147,366.78
  5. Step 5: Solve for x
    x = 44,147,366.78/7,342.44
  6. Step 6: Final answer
    x = 6,012.63

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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.