Home / 7,519.01-10,376.59-4,332.78

Finding the Fourth Proportional to 7,519.01, 10,376.59 and 4,332.78

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Solution

The fourth proportional to 7,519.01, 10,376.59 and 4,332.78 is: 5,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.01 : 10,376.59 = 4,332.78 : x
  2. Step 2: Convert to fraction form
    7,519.01/10,376.59 = 4,332.78/x
  3. Step 3: Cross multiply
    7,519.01x = 10,376.59 × 4,332.78
  4. Step 4: Simplify right side
    7,519.01x = 44,959,478.45
  5. Step 5: Solve for x
    x = 44,959,478.45/7,519.01
  6. Step 6: Final answer
    x = 5,979.44

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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.