Home / 7,339.28-10,137-5,346.64

Finding the Fourth Proportional to 7,339.28, 10,137 and 5,346.64

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Solution

The fourth proportional to 7,339.28, 10,137 and 5,346.64 is: 7,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.28 : 10,137 = 5,346.64 : x
  2. Step 2: Convert to fraction form
    7,339.28/10,137 = 5,346.64/x
  3. Step 3: Cross multiply
    7,339.28x = 10,137 × 5,346.64
  4. Step 4: Simplify right side
    7,339.28x = 54,198,889.68
  5. Step 5: Solve for x
    x = 54,198,889.68/7,339.28
  6. Step 6: Final answer
    x = 7,384.77

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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.