Home / 7,549.60-10,416.72-4,403.92

Finding the Fourth Proportional to 7,549.60, 10,416.72 and 4,403.92

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Solution

The fourth proportional to 7,549.60, 10,416.72 and 4,403.92 is: 6,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.60 : 10,416.72 = 4,403.92 : x
  2. Step 2: Convert to fraction form
    7,549.60/10,416.72 = 4,403.92/x
  3. Step 3: Cross multiply
    7,549.60x = 10,416.72 × 4,403.92
  4. Step 4: Simplify right side
    7,549.60x = 45,874,401.54
  5. Step 5: Solve for x
    x = 45,874,401.54/7,549.60
  6. Step 6: Final answer
    x = 6,076.40

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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.