Home / 5,106.07-7,659.29-1,408.58

Finding the Fourth Proportional to 5,106.07, 7,659.29 and 1,408.58

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Solution

The fourth proportional to 5,106.07, 7,659.29 and 1,408.58 is: 2,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.07 : 7,659.29 = 1,408.58 : x
  2. Step 2: Convert to fraction form
    5,106.07/7,659.29 = 1,408.58/x
  3. Step 3: Cross multiply
    5,106.07x = 7,659.29 × 1,408.58
  4. Step 4: Simplify right side
    5,106.07x = 10,788,722.71
  5. Step 5: Solve for x
    x = 10,788,722.71/5,106.07
  6. Step 6: Final answer
    x = 2,112.92

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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.