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Finding the Fourth Proportional to 7,774.92, 10,720.74 and 6,093.32

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Solution

The fourth proportional to 7,774.92, 10,720.74 and 6,093.32 is: 8,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.92 : 10,720.74 = 6,093.32 : x
  2. Step 2: Convert to fraction form
    7,774.92/10,720.74 = 6,093.32/x
  3. Step 3: Cross multiply
    7,774.92x = 10,720.74 × 6,093.32
  4. Step 4: Simplify right side
    7,774.92x = 65,324,899.46
  5. Step 5: Solve for x
    x = 65,324,899.46/7,774.92
  6. Step 6: Final answer
    x = 8,402.00

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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.