Home / 4,076.13-6,115.13-1,479.07

Finding the Fourth Proportional to 4,076.13, 6,115.13 and 1,479.07

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Solution

The fourth proportional to 4,076.13, 6,115.13 and 1,479.07 is: 2,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.13 : 6,115.13 = 1,479.07 : x
  2. Step 2: Convert to fraction form
    4,076.13/6,115.13 = 1,479.07/x
  3. Step 3: Cross multiply
    4,076.13x = 6,115.13 × 1,479.07
  4. Step 4: Simplify right side
    4,076.13x = 9,044,688.19
  5. Step 5: Solve for x
    x = 9,044,688.19/4,076.13
  6. Step 6: Final answer
    x = 2,218.94

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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.