Home / 7,577.25-10,456.53-4,219.87

Finding the Fourth Proportional to 7,577.25, 10,456.53 and 4,219.87

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Solution

The fourth proportional to 7,577.25, 10,456.53 and 4,219.87 is: 5,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.25 : 10,456.53 = 4,219.87 : x
  2. Step 2: Convert to fraction form
    7,577.25/10,456.53 = 4,219.87/x
  3. Step 3: Cross multiply
    7,577.25x = 10,456.53 × 4,219.87
  4. Step 4: Simplify right side
    7,577.25x = 44,125,144.97
  5. Step 5: Solve for x
    x = 44,125,144.97/7,577.25
  6. Step 6: Final answer
    x = 5,823.37

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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.