Home / 5,680.84-8,521.68-2,394.28

Finding the Fourth Proportional to 5,680.84, 8,521.68 and 2,394.28

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Solution

The fourth proportional to 5,680.84, 8,521.68 and 2,394.28 is: 3,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.84 : 8,521.68 = 2,394.28 : x
  2. Step 2: Convert to fraction form
    5,680.84/8,521.68 = 2,394.28/x
  3. Step 3: Cross multiply
    5,680.84x = 8,521.68 × 2,394.28
  4. Step 4: Simplify right side
    5,680.84x = 20,403,287.99
  5. Step 5: Solve for x
    x = 20,403,287.99/5,680.84
  6. Step 6: Final answer
    x = 3,591.60

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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.