Home / 7,707.29-11,560.83-1,863.84

Finding the Fourth Proportional to 7,707.29, 11,560.83 and 1,863.84

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Solution

The fourth proportional to 7,707.29, 11,560.83 and 1,863.84 is: 2,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.29 : 11,560.83 = 1,863.84 : x
  2. Step 2: Convert to fraction form
    7,707.29/11,560.83 = 1,863.84/x
  3. Step 3: Cross multiply
    7,707.29x = 11,560.83 × 1,863.84
  4. Step 4: Simplify right side
    7,707.29x = 21,547,573.75
  5. Step 5: Solve for x
    x = 21,547,573.75/7,707.29
  6. Step 6: Final answer
    x = 2,795.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.