Home / 8,547.13-12,820.83-2,703.79

Finding the Fourth Proportional to 8,547.13, 12,820.83 and 2,703.79

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Solution

The fourth proportional to 8,547.13, 12,820.83 and 2,703.79 is: 4,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.13 : 12,820.83 = 2,703.79 : x
  2. Step 2: Convert to fraction form
    8,547.13/12,820.83 = 2,703.79/x
  3. Step 3: Cross multiply
    8,547.13x = 12,820.83 × 2,703.79
  4. Step 4: Simplify right side
    8,547.13x = 34,664,831.95
  5. Step 5: Solve for x
    x = 34,664,831.95/8,547.13
  6. Step 6: Final answer
    x = 4,055.73

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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.