Home / 5,156.32-7,731.72-2,036.20

Finding the Fourth Proportional to 5,156.32, 7,731.72 and 2,036.20

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Solution

The fourth proportional to 5,156.32, 7,731.72 and 2,036.20 is: 3,053.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.32 : 7,731.72 = 2,036.20 : x
  2. Step 2: Convert to fraction form
    5,156.32/7,731.72 = 2,036.20/x
  3. Step 3: Cross multiply
    5,156.32x = 7,731.72 × 2,036.20
  4. Step 4: Simplify right side
    5,156.32x = 15,743,328.26
  5. Step 5: Solve for x
    x = 15,743,328.26/5,156.32
  6. Step 6: Final answer
    x = 3,053.21

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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.