Home / 10,277.56-15,416.40-3,704.80

Finding the Fourth Proportional to 10,277.56, 15,416.40 and 3,704.80

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Solution

The fourth proportional to 10,277.56, 15,416.40 and 3,704.80 is: 5,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.56 : 15,416.40 = 3,704.80 : x
  2. Step 2: Convert to fraction form
    10,277.56/15,416.40 = 3,704.80/x
  3. Step 3: Cross multiply
    10,277.56x = 15,416.40 × 3,704.80
  4. Step 4: Simplify right side
    10,277.56x = 57,114,678.72
  5. Step 5: Solve for x
    x = 57,114,678.72/10,277.56
  6. Step 6: Final answer
    x = 5,557.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.