Home / 10,410.57-15,615.86-2,619.38

Finding the Fourth Proportional to 10,410.57, 15,615.86 and 2,619.38

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Solution

The fourth proportional to 10,410.57, 15,615.86 and 2,619.38 is: 3,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.57 : 15,615.86 = 2,619.38 : x
  2. Step 2: Convert to fraction form
    10,410.57/15,615.86 = 2,619.38/x
  3. Step 3: Cross multiply
    10,410.57x = 15,615.86 × 2,619.38
  4. Step 4: Simplify right side
    10,410.57x = 40,903,871.37
  5. Step 5: Solve for x
    x = 40,903,871.37/10,410.57
  6. Step 6: Final answer
    x = 3,929.07

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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.