Home / 7,864.07-10,852.43-4,327.21

Finding the Fourth Proportional to 7,864.07, 10,852.43 and 4,327.21

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Solution

The fourth proportional to 7,864.07, 10,852.43 and 4,327.21 is: 5,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.07 : 10,852.43 = 4,327.21 : x
  2. Step 2: Convert to fraction form
    7,864.07/10,852.43 = 4,327.21/x
  3. Step 3: Cross multiply
    7,864.07x = 10,852.43 × 4,327.21
  4. Step 4: Simplify right side
    7,864.07x = 46,960,743.62
  5. Step 5: Solve for x
    x = 46,960,743.62/7,864.07
  6. Step 6: Final answer
    x = 5,971.56

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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.