Home / 5,725-7,895.10-5,278.24

Finding the Fourth Proportional to 5,725, 7,895.10 and 5,278.24

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Solution

The fourth proportional to 5,725, 7,895.10 and 5,278.24 is: 7,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725 : 7,895.10 = 5,278.24 : x
  2. Step 2: Convert to fraction form
    5,725/7,895.10 = 5,278.24/x
  3. Step 3: Cross multiply
    5,725x = 7,895.10 × 5,278.24
  4. Step 4: Simplify right side
    5,725x = 41,672,232.62
  5. Step 5: Solve for x
    x = 41,672,232.62/5,725
  6. Step 6: Final answer
    x = 7,278.99

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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.