Home / 4,891.83-7,332.04-2,428.21

Finding the Fourth Proportional to 4,891.83, 7,332.04 and 2,428.21

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Solution

The fourth proportional to 4,891.83, 7,332.04 and 2,428.21 is: 3,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.83 : 7,332.04 = 2,428.21 : x
  2. Step 2: Convert to fraction form
    4,891.83/7,332.04 = 2,428.21/x
  3. Step 3: Cross multiply
    4,891.83x = 7,332.04 × 2,428.21
  4. Step 4: Simplify right side
    4,891.83x = 17,803,732.85
  5. Step 5: Solve for x
    x = 17,803,732.85/4,891.83
  6. Step 6: Final answer
    x = 3,639.48

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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.