Home / 7,156.32-10,720.56-4,026.78

Finding the Fourth Proportional to 7,156.32, 10,720.56 and 4,026.78

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Solution

The fourth proportional to 7,156.32, 10,720.56 and 4,026.78 is: 6,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.32 : 10,720.56 = 4,026.78 : x
  2. Step 2: Convert to fraction form
    7,156.32/10,720.56 = 4,026.78/x
  3. Step 3: Cross multiply
    7,156.32x = 10,720.56 × 4,026.78
  4. Step 4: Simplify right side
    7,156.32x = 43,169,351.70
  5. Step 5: Solve for x
    x = 43,169,351.70/7,156.32
  6. Step 6: Final answer
    x = 6,032.34

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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.