Home / 7,936.35-11,904.90-6,547.11

Finding the Fourth Proportional to 7,936.35, 11,904.90 and 6,547.11

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Solution

The fourth proportional to 7,936.35, 11,904.90 and 6,547.11 is: 9,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.35 : 11,904.90 = 6,547.11 : x
  2. Step 2: Convert to fraction form
    7,936.35/11,904.90 = 6,547.11/x
  3. Step 3: Cross multiply
    7,936.35x = 11,904.90 × 6,547.11
  4. Step 4: Simplify right side
    7,936.35x = 77,942,689.84
  5. Step 5: Solve for x
    x = 77,942,689.84/7,936.35
  6. Step 6: Final answer
    x = 9,820.97

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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.