Home / 9,890.57-13,648.98-6,746.75

Finding the Fourth Proportional to 9,890.57, 13,648.98 and 6,746.75

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Solution

The fourth proportional to 9,890.57, 13,648.98 and 6,746.75 is: 9,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.57 : 13,648.98 = 6,746.75 : x
  2. Step 2: Convert to fraction form
    9,890.57/13,648.98 = 6,746.75/x
  3. Step 3: Cross multiply
    9,890.57x = 13,648.98 × 6,746.75
  4. Step 4: Simplify right side
    9,890.57x = 92,086,255.82
  5. Step 5: Solve for x
    x = 92,086,255.82/9,890.57
  6. Step 6: Final answer
    x = 9,310.51

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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.