Home / 4,078.24-6,119.41-1,615.13

Finding the Fourth Proportional to 4,078.24, 6,119.41 and 1,615.13

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Solution

The fourth proportional to 4,078.24, 6,119.41 and 1,615.13 is: 2,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.24 : 6,119.41 = 1,615.13 : x
  2. Step 2: Convert to fraction form
    4,078.24/6,119.41 = 1,615.13/x
  3. Step 3: Cross multiply
    4,078.24x = 6,119.41 × 1,615.13
  4. Step 4: Simplify right side
    4,078.24x = 9,883,642.67
  5. Step 5: Solve for x
    x = 9,883,642.67/4,078.24
  6. Step 6: Final answer
    x = 2,423.51

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Double scale
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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.