Home / 7,647.28-10,549.92-4,662.64

Finding the Fourth Proportional to 7,647.28, 10,549.92 and 4,662.64

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Solution

The fourth proportional to 7,647.28, 10,549.92 and 4,662.64 is: 6,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.28 : 10,549.92 = 4,662.64 : x
  2. Step 2: Convert to fraction form
    7,647.28/10,549.92 = 4,662.64/x
  3. Step 3: Cross multiply
    7,647.28x = 10,549.92 × 4,662.64
  4. Step 4: Simplify right side
    7,647.28x = 49,190,478.99
  5. Step 5: Solve for x
    x = 49,190,478.99/7,647.28
  6. Step 6: Final answer
    x = 6,432.42

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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.