Home / 8,321.27-12,484.80-5,203.58

Finding the Fourth Proportional to 8,321.27, 12,484.80 and 5,203.58

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Solution

The fourth proportional to 8,321.27, 12,484.80 and 5,203.58 is: 7,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.27 : 12,484.80 = 5,203.58 : x
  2. Step 2: Convert to fraction form
    8,321.27/12,484.80 = 5,203.58/x
  3. Step 3: Cross multiply
    8,321.27x = 12,484.80 × 5,203.58
  4. Step 4: Simplify right side
    8,321.27x = 64,965,593.16
  5. Step 5: Solve for x
    x = 64,965,593.16/8,321.27
  6. Step 6: Final answer
    x = 7,807.18

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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.