Home / 7,477.11-11,260.40-6,812.82

Finding the Fourth Proportional to 7,477.11, 11,260.40 and 6,812.82

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Solution

The fourth proportional to 7,477.11, 11,260.40 and 6,812.82 is: 10,259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.11 : 11,260.40 = 6,812.82 : x
  2. Step 2: Convert to fraction form
    7,477.11/11,260.40 = 6,812.82/x
  3. Step 3: Cross multiply
    7,477.11x = 11,260.40 × 6,812.82
  4. Step 4: Simplify right side
    7,477.11x = 76,715,044.26
  5. Step 5: Solve for x
    x = 76,715,044.26/7,477.11
  6. Step 6: Final answer
    x = 10,259.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.