Home / 5,106.02-7,659.10-1,408.22

Finding the Fourth Proportional to 5,106.02, 7,659.10 and 1,408.22

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Solution

The fourth proportional to 5,106.02, 7,659.10 and 1,408.22 is: 2,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.02 : 7,659.10 = 1,408.22 : x
  2. Step 2: Convert to fraction form
    5,106.02/7,659.10 = 1,408.22/x
  3. Step 3: Cross multiply
    5,106.02x = 7,659.10 × 1,408.22
  4. Step 4: Simplify right side
    5,106.02x = 10,785,659.51
  5. Step 5: Solve for x
    x = 10,785,659.51/5,106.02
  6. Step 6: Final answer
    x = 2,112.34

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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.