Home / 7,103.16-9,801.68-4,119.19

Finding the Fourth Proportional to 7,103.16, 9,801.68 and 4,119.19

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Solution

The fourth proportional to 7,103.16, 9,801.68 and 4,119.19 is: 5,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.16 : 9,801.68 = 4,119.19 : x
  2. Step 2: Convert to fraction form
    7,103.16/9,801.68 = 4,119.19/x
  3. Step 3: Cross multiply
    7,103.16x = 9,801.68 × 4,119.19
  4. Step 4: Simplify right side
    7,103.16x = 40,374,937.14
  5. Step 5: Solve for x
    x = 40,374,937.14/7,103.16
  6. Step 6: Final answer
    x = 5,684.08

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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.