Home / 4,136.32-5,714.40-3,086.56

Finding the Fourth Proportional to 4,136.32, 5,714.40 and 3,086.56

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Solution

The fourth proportional to 4,136.32, 5,714.40 and 3,086.56 is: 4,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.32 : 5,714.40 = 3,086.56 : x
  2. Step 2: Convert to fraction form
    4,136.32/5,714.40 = 3,086.56/x
  3. Step 3: Cross multiply
    4,136.32x = 5,714.40 × 3,086.56
  4. Step 4: Simplify right side
    4,136.32x = 17,637,838.46
  5. Step 5: Solve for x
    x = 17,637,838.46/4,136.32
  6. Step 6: Final answer
    x = 4,264.14

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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.