Home / 7,424.16-10,244.96-4,280.16

Finding the Fourth Proportional to 7,424.16, 10,244.96 and 4,280.16

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Solution

The fourth proportional to 7,424.16, 10,244.96 and 4,280.16 is: 5,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.16 : 10,244.96 = 4,280.16 : x
  2. Step 2: Convert to fraction form
    7,424.16/10,244.96 = 4,280.16/x
  3. Step 3: Cross multiply
    7,424.16x = 10,244.96 × 4,280.16
  4. Step 4: Simplify right side
    7,424.16x = 43,850,067.99
  5. Step 5: Solve for x
    x = 43,850,067.99/7,424.16
  6. Step 6: Final answer
    x = 5,906.40

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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.