Home / 5,312.64-7,331.40-3,324.27

Finding the Fourth Proportional to 5,312.64, 7,331.40 and 3,324.27

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Solution

The fourth proportional to 5,312.64, 7,331.40 and 3,324.27 is: 4,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.64 : 7,331.40 = 3,324.27 : x
  2. Step 2: Convert to fraction form
    5,312.64/7,331.40 = 3,324.27/x
  3. Step 3: Cross multiply
    5,312.64x = 7,331.40 × 3,324.27
  4. Step 4: Simplify right side
    5,312.64x = 24,371,553.08
  5. Step 5: Solve for x
    x = 24,371,553.08/5,312.64
  6. Step 6: Final answer
    x = 4,587.47

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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.