Home / 7,406.13-11,109.20-1,934.13

Finding the Fourth Proportional to 7,406.13, 11,109.20 and 1,934.13

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Solution

The fourth proportional to 7,406.13, 11,109.20 and 1,934.13 is: 2,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.13 : 11,109.20 = 1,934.13 : x
  2. Step 2: Convert to fraction form
    7,406.13/11,109.20 = 1,934.13/x
  3. Step 3: Cross multiply
    7,406.13x = 11,109.20 × 1,934.13
  4. Step 4: Simplify right side
    7,406.13x = 21,486,637.00
  5. Step 5: Solve for x
    x = 21,486,637.00/7,406.13
  6. Step 6: Final answer
    x = 2,901.20

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1.5x scale

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.