Home / 7,924.44-10,935.90-4,387.80

Finding the Fourth Proportional to 7,924.44, 10,935.90 and 4,387.80

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Solution

The fourth proportional to 7,924.44, 10,935.90 and 4,387.80 is: 6,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.44 : 10,935.90 = 4,387.80 : x
  2. Step 2: Convert to fraction form
    7,924.44/10,935.90 = 4,387.80/x
  3. Step 3: Cross multiply
    7,924.44x = 10,935.90 × 4,387.80
  4. Step 4: Simplify right side
    7,924.44x = 47,984,542.02
  5. Step 5: Solve for x
    x = 47,984,542.02/7,924.44
  6. Step 6: Final answer
    x = 6,055.26

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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.