Home / 5,677.49-8,513.57-2,388.76

Finding the Fourth Proportional to 5,677.49, 8,513.57 and 2,388.76

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Solution

The fourth proportional to 5,677.49, 8,513.57 and 2,388.76 is: 3,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.49 : 8,513.57 = 2,388.76 : x
  2. Step 2: Convert to fraction form
    5,677.49/8,513.57 = 2,388.76/x
  3. Step 3: Cross multiply
    5,677.49x = 8,513.57 × 2,388.76
  4. Step 4: Simplify right side
    5,677.49x = 20,336,860.16
  5. Step 5: Solve for x
    x = 20,336,860.16/5,677.49
  6. Step 6: Final answer
    x = 3,582.01

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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.