Home / 7,259.32-10,879.41-2,874.39

Finding the Fourth Proportional to 7,259.32, 10,879.41 and 2,874.39

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Solution

The fourth proportional to 7,259.32, 10,879.41 and 2,874.39 is: 4,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.32 : 10,879.41 = 2,874.39 : x
  2. Step 2: Convert to fraction form
    7,259.32/10,879.41 = 2,874.39/x
  3. Step 3: Cross multiply
    7,259.32x = 10,879.41 × 2,874.39
  4. Step 4: Simplify right side
    7,259.32x = 31,271,637.29
  5. Step 5: Solve for x
    x = 31,271,637.29/7,259.32
  6. Step 6: Final answer
    x = 4,307.79

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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.