Home / 7,242.88-10,838.40-6,272.32

Finding the Fourth Proportional to 7,242.88, 10,838.40 and 6,272.32

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Solution

The fourth proportional to 7,242.88, 10,838.40 and 6,272.32 is: 9,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.88 : 10,838.40 = 6,272.32 : x
  2. Step 2: Convert to fraction form
    7,242.88/10,838.40 = 6,272.32/x
  3. Step 3: Cross multiply
    7,242.88x = 10,838.40 × 6,272.32
  4. Step 4: Simplify right side
    7,242.88x = 67,981,913.09
  5. Step 5: Solve for x
    x = 67,981,913.09/7,242.88
  6. Step 6: Final answer
    x = 9,386.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.