Home / 4,717.28-7,078.32-3,570.08

Finding the Fourth Proportional to 4,717.28, 7,078.32 and 3,570.08

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Solution

The fourth proportional to 4,717.28, 7,078.32 and 3,570.08 is: 5,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.28 : 7,078.32 = 3,570.08 : x
  2. Step 2: Convert to fraction form
    4,717.28/7,078.32 = 3,570.08/x
  3. Step 3: Cross multiply
    4,717.28x = 7,078.32 × 3,570.08
  4. Step 4: Simplify right side
    4,717.28x = 25,270,168.67
  5. Step 5: Solve for x
    x = 25,270,168.67/4,717.28
  6. Step 6: Final answer
    x = 5,356.94

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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.