Home / 7,924.06-10,935.20-4,387.28

Finding the Fourth Proportional to 7,924.06, 10,935.20 and 4,387.28

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Solution

The fourth proportional to 7,924.06, 10,935.20 and 4,387.28 is: 6,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.06 : 10,935.20 = 4,387.28 : x
  2. Step 2: Convert to fraction form
    7,924.06/10,935.20 = 4,387.28/x
  3. Step 3: Cross multiply
    7,924.06x = 10,935.20 × 4,387.28
  4. Step 4: Simplify right side
    7,924.06x = 47,975,784.26
  5. Step 5: Solve for x
    x = 47,975,784.26/7,924.06
  6. Step 6: Final answer
    x = 6,054.44

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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.