Home / 7,867.28-10,860.25-5,625.26

Finding the Fourth Proportional to 7,867.28, 10,860.25 and 5,625.26

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Solution

The fourth proportional to 7,867.28, 10,860.25 and 5,625.26 is: 7,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.28 : 10,860.25 = 5,625.26 : x
  2. Step 2: Convert to fraction form
    7,867.28/10,860.25 = 5,625.26/x
  3. Step 3: Cross multiply
    7,867.28x = 10,860.25 × 5,625.26
  4. Step 4: Simplify right side
    7,867.28x = 61,091,764.10
  5. Step 5: Solve for x
    x = 61,091,764.10/7,867.28
  6. Step 6: Final answer
    x = 7,765.29

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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.