Home / 7,342.72-10,138.28-4,513.94

Finding the Fourth Proportional to 7,342.72, 10,138.28 and 4,513.94

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Solution

The fourth proportional to 7,342.72, 10,138.28 and 4,513.94 is: 6,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.72 : 10,138.28 = 4,513.94 : x
  2. Step 2: Convert to fraction form
    7,342.72/10,138.28 = 4,513.94/x
  3. Step 3: Cross multiply
    7,342.72x = 10,138.28 × 4,513.94
  4. Step 4: Simplify right side
    7,342.72x = 45,763,612.97
  5. Step 5: Solve for x
    x = 45,763,612.97/7,342.72
  6. Step 6: Final answer
    x = 6,232.52

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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.