Home / 4,732.74-7,087.68-2,389.68

Finding the Fourth Proportional to 4,732.74, 7,087.68 and 2,389.68

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Solution

The fourth proportional to 4,732.74, 7,087.68 and 2,389.68 is: 3,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,732.74 : 7,087.68 = 2,389.68 : x
  2. Step 2: Convert to fraction form
    4,732.74/7,087.68 = 2,389.68/x
  3. Step 3: Cross multiply
    4,732.74x = 7,087.68 × 2,389.68
  4. Step 4: Simplify right side
    4,732.74x = 16,937,287.14
  5. Step 5: Solve for x
    x = 16,937,287.14/4,732.74
  6. Step 6: Final answer
    x = 3,578.75

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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.