Home / 7,345.29-11,015.71-2,079.89

Finding the Fourth Proportional to 7,345.29, 11,015.71 and 2,079.89

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Solution

The fourth proportional to 7,345.29, 11,015.71 and 2,079.89 is: 3,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.29 : 11,015.71 = 2,079.89 : x
  2. Step 2: Convert to fraction form
    7,345.29/11,015.71 = 2,079.89/x
  3. Step 3: Cross multiply
    7,345.29x = 11,015.71 × 2,079.89
  4. Step 4: Simplify right side
    7,345.29x = 22,911,399.59
  5. Step 5: Solve for x
    x = 22,911,399.59/7,345.29
  6. Step 6: Final answer
    x = 3,119.20

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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.