Home / 10,410.44-15,615.80-3,390.48

Finding the Fourth Proportional to 10,410.44, 15,615.80 and 3,390.48

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Solution

The fourth proportional to 10,410.44, 15,615.80 and 3,390.48 is: 5,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.44 : 15,615.80 = 3,390.48 : x
  2. Step 2: Convert to fraction form
    10,410.44/15,615.80 = 3,390.48/x
  3. Step 3: Cross multiply
    10,410.44x = 15,615.80 × 3,390.48
  4. Step 4: Simplify right side
    10,410.44x = 52,945,040.63
  5. Step 5: Solve for x
    x = 52,945,040.63/10,410.44
  6. Step 6: Final answer
    x = 5,085.77

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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.