Home / 7,261.10-10,895.26-2,878.46

Finding the Fourth Proportional to 7,261.10, 10,895.26 and 2,878.46

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Solution

The fourth proportional to 7,261.10, 10,895.26 and 2,878.46 is: 4,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.10 : 10,895.26 = 2,878.46 : x
  2. Step 2: Convert to fraction form
    7,261.10/10,895.26 = 2,878.46/x
  3. Step 3: Cross multiply
    7,261.10x = 10,895.26 × 2,878.46
  4. Step 4: Simplify right side
    7,261.10x = 31,361,570.10
  5. Step 5: Solve for x
    x = 31,361,570.10/7,261.10
  6. Step 6: Final answer
    x = 4,319.12

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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.