Home / 10,410.60-15,615.90-3,485.10

Finding the Fourth Proportional to 10,410.60, 15,615.90 and 3,485.10

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Solution

The fourth proportional to 10,410.60, 15,615.90 and 3,485.10 is: 5,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.60 : 15,615.90 = 3,485.10 : x
  2. Step 2: Convert to fraction form
    10,410.60/15,615.90 = 3,485.10/x
  3. Step 3: Cross multiply
    10,410.60x = 15,615.90 × 3,485.10
  4. Step 4: Simplify right side
    10,410.60x = 54,422,973.09
  5. Step 5: Solve for x
    x = 54,422,973.09/10,410.60
  6. Step 6: Final answer
    x = 5,227.65

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Similar ratio
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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.