Home / 4,287.12-5,913.60-3,788.16

Finding the Fourth Proportional to 4,287.12, 5,913.60 and 3,788.16

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Solution

The fourth proportional to 4,287.12, 5,913.60 and 3,788.16 is: 5,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.12 : 5,913.60 = 3,788.16 : x
  2. Step 2: Convert to fraction form
    4,287.12/5,913.60 = 3,788.16/x
  3. Step 3: Cross multiply
    4,287.12x = 5,913.60 × 3,788.16
  4. Step 4: Simplify right side
    4,287.12x = 22,401,662.98
  5. Step 5: Solve for x
    x = 22,401,662.98/4,287.12
  6. Step 6: Final answer
    x = 5,225.34

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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.