Home / 7,761.44-10,698.34-5,242.75

Finding the Fourth Proportional to 7,761.44, 10,698.34 and 5,242.75

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Solution

The fourth proportional to 7,761.44, 10,698.34 and 5,242.75 is: 7,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.44 : 10,698.34 = 5,242.75 : x
  2. Step 2: Convert to fraction form
    7,761.44/10,698.34 = 5,242.75/x
  3. Step 3: Cross multiply
    7,761.44x = 10,698.34 × 5,242.75
  4. Step 4: Simplify right side
    7,761.44x = 56,088,722.04
  5. Step 5: Solve for x
    x = 56,088,722.04/7,761.44
  6. Step 6: Final answer
    x = 7,226.59

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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.