Home / 7,244.82-10,002.78-5,486.04

Finding the Fourth Proportional to 7,244.82, 10,002.78 and 5,486.04

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Solution

The fourth proportional to 7,244.82, 10,002.78 and 5,486.04 is: 7,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.82 : 10,002.78 = 5,486.04 : x
  2. Step 2: Convert to fraction form
    7,244.82/10,002.78 = 5,486.04/x
  3. Step 3: Cross multiply
    7,244.82x = 10,002.78 × 5,486.04
  4. Step 4: Simplify right side
    7,244.82x = 54,875,651.19
  5. Step 5: Solve for x
    x = 54,875,651.19/7,244.82
  6. Step 6: Final answer
    x = 7,574.47

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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.