Home / 5,675.68-8,521.56-3,215.32

Finding the Fourth Proportional to 5,675.68, 8,521.56 and 3,215.32

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Solution

The fourth proportional to 5,675.68, 8,521.56 and 3,215.32 is: 4,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.68 : 8,521.56 = 3,215.32 : x
  2. Step 2: Convert to fraction form
    5,675.68/8,521.56 = 3,215.32/x
  3. Step 3: Cross multiply
    5,675.68x = 8,521.56 × 3,215.32
  4. Step 4: Simplify right side
    5,675.68x = 27,399,542.30
  5. Step 5: Solve for x
    x = 27,399,542.30/5,675.68
  6. Step 6: Final answer
    x = 4,827.53

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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.