Home / 4,608.10-6,901.35-3,139.30

Finding the Fourth Proportional to 4,608.10, 6,901.35 and 3,139.30

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Solution

The fourth proportional to 4,608.10, 6,901.35 and 3,139.30 is: 4,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.10 : 6,901.35 = 3,139.30 : x
  2. Step 2: Convert to fraction form
    4,608.10/6,901.35 = 3,139.30/x
  3. Step 3: Cross multiply
    4,608.10x = 6,901.35 × 3,139.30
  4. Step 4: Simplify right side
    4,608.10x = 21,665,408.06
  5. Step 5: Solve for x
    x = 21,665,408.06/4,608.10
  6. Step 6: Final answer
    x = 4,701.59

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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.