Home / 7,412.72-11,119.15-2,482.40

Finding the Fourth Proportional to 7,412.72, 11,119.15 and 2,482.40

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Solution

The fourth proportional to 7,412.72, 11,119.15 and 2,482.40 is: 3,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.72 : 11,119.15 = 2,482.40 : x
  2. Step 2: Convert to fraction form
    7,412.72/11,119.15 = 2,482.40/x
  3. Step 3: Cross multiply
    7,412.72x = 11,119.15 × 2,482.40
  4. Step 4: Simplify right side
    7,412.72x = 27,602,139.33
  5. Step 5: Solve for x
    x = 27,602,139.33/7,412.72
  6. Step 6: Final answer
    x = 3,723.62

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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.