Home / 5,586.32-7,709.16-3,102.48

Finding the Fourth Proportional to 5,586.32, 7,709.16 and 3,102.48

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Solution

The fourth proportional to 5,586.32, 7,709.16 and 3,102.48 is: 4,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.32 : 7,709.16 = 3,102.48 : x
  2. Step 2: Convert to fraction form
    5,586.32/7,709.16 = 3,102.48/x
  3. Step 3: Cross multiply
    5,586.32x = 7,709.16 × 3,102.48
  4. Step 4: Simplify right side
    5,586.32x = 23,917,514.72
  5. Step 5: Solve for x
    x = 23,917,514.72/5,586.32
  6. Step 6: Final answer
    x = 4,281.44

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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.