Home / 7,924.09-10,935.10-4,387.22

Finding the Fourth Proportional to 7,924.09, 10,935.10 and 4,387.22

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Solution

The fourth proportional to 7,924.09, 10,935.10 and 4,387.22 is: 6,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.09 : 10,935.10 = 4,387.22 : x
  2. Step 2: Convert to fraction form
    7,924.09/10,935.10 = 4,387.22/x
  3. Step 3: Cross multiply
    7,924.09x = 10,935.10 × 4,387.22
  4. Step 4: Simplify right side
    7,924.09x = 47,974,689.42
  5. Step 5: Solve for x
    x = 47,974,689.42/7,924.09
  6. Step 6: Final answer
    x = 6,054.28

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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.