Home / 4,287.60-5,914.08-3,402

Finding the Fourth Proportional to 4,287.60, 5,914.08 and 3,402

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Solution

The fourth proportional to 4,287.60, 5,914.08 and 3,402 is: 4,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.60 : 5,914.08 = 3,402 : x
  2. Step 2: Convert to fraction form
    4,287.60/5,914.08 = 3,402/x
  3. Step 3: Cross multiply
    4,287.60x = 5,914.08 × 3,402
  4. Step 4: Simplify right side
    4,287.60x = 20,119,700.16
  5. Step 5: Solve for x
    x = 20,119,700.16/4,287.60
  6. Step 6: Final answer
    x = 4,692.53

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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.