Home / 7,321.32-10,983.80-2,391.24

Finding the Fourth Proportional to 7,321.32, 10,983.80 and 2,391.24

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Solution

The fourth proportional to 7,321.32, 10,983.80 and 2,391.24 is: 3,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.32 : 10,983.80 = 2,391.24 : x
  2. Step 2: Convert to fraction form
    7,321.32/10,983.80 = 2,391.24/x
  3. Step 3: Cross multiply
    7,321.32x = 10,983.80 × 2,391.24
  4. Step 4: Simplify right side
    7,321.32x = 26,264,901.91
  5. Step 5: Solve for x
    x = 26,264,901.91/7,321.32
  6. Step 6: Final answer
    x = 3,587.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.