Home / 6,890.48-9,508.68-3,746.60

Finding the Fourth Proportional to 6,890.48, 9,508.68 and 3,746.60

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Solution

The fourth proportional to 6,890.48, 9,508.68 and 3,746.60 is: 5,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.48 : 9,508.68 = 3,746.60 : x
  2. Step 2: Convert to fraction form
    6,890.48/9,508.68 = 3,746.60/x
  3. Step 3: Cross multiply
    6,890.48x = 9,508.68 × 3,746.60
  4. Step 4: Simplify right side
    6,890.48x = 35,625,220.49
  5. Step 5: Solve for x
    x = 35,625,220.49/6,890.48
  6. Step 6: Final answer
    x = 5,170.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.