Home / 7,864.38-10,852.53-4,327.20

Finding the Fourth Proportional to 7,864.38, 10,852.53 and 4,327.20

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Solution

The fourth proportional to 7,864.38, 10,852.53 and 4,327.20 is: 5,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.38 : 10,852.53 = 4,327.20 : x
  2. Step 2: Convert to fraction form
    7,864.38/10,852.53 = 4,327.20/x
  3. Step 3: Cross multiply
    7,864.38x = 10,852.53 × 4,327.20
  4. Step 4: Simplify right side
    7,864.38x = 46,961,067.82
  5. Step 5: Solve for x
    x = 46,961,067.82/7,864.38
  6. Step 6: Final answer
    x = 5,971.36

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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.