Home / 7,100.36-9,799.28-4,116.16

Finding the Fourth Proportional to 7,100.36, 9,799.28 and 4,116.16

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Solution

The fourth proportional to 7,100.36, 9,799.28 and 4,116.16 is: 5,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.36 : 9,799.28 = 4,116.16 : x
  2. Step 2: Convert to fraction form
    7,100.36/9,799.28 = 4,116.16/x
  3. Step 3: Cross multiply
    7,100.36x = 9,799.28 × 4,116.16
  4. Step 4: Simplify right side
    7,100.36x = 40,335,404.36
  5. Step 5: Solve for x
    x = 40,335,404.36/7,100.36
  6. Step 6: Final answer
    x = 5,680.75

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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.