Home / 7,961.16-10,987.26-4,424.70

Finding the Fourth Proportional to 7,961.16, 10,987.26 and 4,424.70

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Solution

The fourth proportional to 7,961.16, 10,987.26 and 4,424.70 is: 6,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.16 : 10,987.26 = 4,424.70 : x
  2. Step 2: Convert to fraction form
    7,961.16/10,987.26 = 4,424.70/x
  3. Step 3: Cross multiply
    7,961.16x = 10,987.26 × 4,424.70
  4. Step 4: Simplify right side
    7,961.16x = 48,615,329.32
  5. Step 5: Solve for x
    x = 48,615,329.32/7,961.16
  6. Step 6: Final answer
    x = 6,106.56

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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.