Home / 5,287.80-7,293.85-3,401.84

Finding the Fourth Proportional to 5,287.80, 7,293.85 and 3,401.84

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Solution

The fourth proportional to 5,287.80, 7,293.85 and 3,401.84 is: 4,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.80 : 7,293.85 = 3,401.84 : x
  2. Step 2: Convert to fraction form
    5,287.80/7,293.85 = 3,401.84/x
  3. Step 3: Cross multiply
    5,287.80x = 7,293.85 × 3,401.84
  4. Step 4: Simplify right side
    5,287.80x = 24,812,478.47
  5. Step 5: Solve for x
    x = 24,812,478.47/5,287.80
  6. Step 6: Final answer
    x = 4,692.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.