Home / 6,911.89-9,533.56-4,260.76

Finding the Fourth Proportional to 6,911.89, 9,533.56 and 4,260.76

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Solution

The fourth proportional to 6,911.89, 9,533.56 and 4,260.76 is: 5,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.89 : 9,533.56 = 4,260.76 : x
  2. Step 2: Convert to fraction form
    6,911.89/9,533.56 = 4,260.76/x
  3. Step 3: Cross multiply
    6,911.89x = 9,533.56 × 4,260.76
  4. Step 4: Simplify right side
    6,911.89x = 40,620,211.11
  5. Step 5: Solve for x
    x = 40,620,211.11/6,911.89
  6. Step 6: Final answer
    x = 5,876.86

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Half scale
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Double scale
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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.