Home / 6,139.73-9,210.37-2,391.60

Finding the Fourth Proportional to 6,139.73, 9,210.37 and 2,391.60

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Solution

The fourth proportional to 6,139.73, 9,210.37 and 2,391.60 is: 3,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.73 : 9,210.37 = 2,391.60 : x
  2. Step 2: Convert to fraction form
    6,139.73/9,210.37 = 2,391.60/x
  3. Step 3: Cross multiply
    6,139.73x = 9,210.37 × 2,391.60
  4. Step 4: Simplify right side
    6,139.73x = 22,027,511.10
  5. Step 5: Solve for x
    x = 22,027,511.10/6,139.73
  6. Step 6: Final answer
    x = 3,587.70

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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.