Home / 7,764.08-10,712.78-5,079.23

Finding the Fourth Proportional to 7,764.08, 10,712.78 and 5,079.23

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Solution

The fourth proportional to 7,764.08, 10,712.78 and 5,079.23 is: 7,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.08 : 10,712.78 = 5,079.23 : x
  2. Step 2: Convert to fraction form
    7,764.08/10,712.78 = 5,079.23/x
  3. Step 3: Cross multiply
    7,764.08x = 10,712.78 × 5,079.23
  4. Step 4: Simplify right side
    7,764.08x = 54,412,594.60
  5. Step 5: Solve for x
    x = 54,412,594.60/7,764.08
  6. Step 6: Final answer
    x = 7,008.25

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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.