Home / 7,923.90-10,934.91-4,387.03

Finding the Fourth Proportional to 7,923.90, 10,934.91 and 4,387.03

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Solution

The fourth proportional to 7,923.90, 10,934.91 and 4,387.03 is: 6,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.90 : 10,934.91 = 4,387.03 : x
  2. Step 2: Convert to fraction form
    7,923.90/10,934.91 = 4,387.03/x
  3. Step 3: Cross multiply
    7,923.90x = 10,934.91 × 4,387.03
  4. Step 4: Simplify right side
    7,923.90x = 47,971,778.22
  5. Step 5: Solve for x
    x = 47,971,778.22/7,923.90
  6. Step 6: Final answer
    x = 6,054.06

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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.