Home / 10,479.22-15,721.19-5,547.84

Finding the Fourth Proportional to 10,479.22, 15,721.19 and 5,547.84

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Solution

The fourth proportional to 10,479.22, 15,721.19 and 5,547.84 is: 8,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.22 : 15,721.19 = 5,547.84 : x
  2. Step 2: Convert to fraction form
    10,479.22/15,721.19 = 5,547.84/x
  3. Step 3: Cross multiply
    10,479.22x = 15,721.19 × 5,547.84
  4. Step 4: Simplify right side
    10,479.22x = 87,218,669.27
  5. Step 5: Solve for x
    x = 87,218,669.27/10,479.22
  6. Step 6: Final answer
    x = 8,323.01

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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.