Home / 7,481.92-10,309.52-5,587.32

Finding the Fourth Proportional to 7,481.92, 10,309.52 and 5,587.32

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Solution

The fourth proportional to 7,481.92, 10,309.52 and 5,587.32 is: 7,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.92 : 10,309.52 = 5,587.32 : x
  2. Step 2: Convert to fraction form
    7,481.92/10,309.52 = 5,587.32/x
  3. Step 3: Cross multiply
    7,481.92x = 10,309.52 × 5,587.32
  4. Step 4: Simplify right side
    7,481.92x = 57,602,587.29
  5. Step 5: Solve for x
    x = 57,602,587.29/7,481.92
  6. Step 6: Final answer
    x = 7,698.90

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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.