Home / 8,718.42-13,070.28-3,784.35

Finding the Fourth Proportional to 8,718.42, 13,070.28 and 3,784.35

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Solution

The fourth proportional to 8,718.42, 13,070.28 and 3,784.35 is: 5,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.42 : 13,070.28 = 3,784.35 : x
  2. Step 2: Convert to fraction form
    8,718.42/13,070.28 = 3,784.35/x
  3. Step 3: Cross multiply
    8,718.42x = 13,070.28 × 3,784.35
  4. Step 4: Simplify right side
    8,718.42x = 49,462,514.12
  5. Step 5: Solve for x
    x = 49,462,514.12/8,718.42
  6. Step 6: Final answer
    x = 5,673.33

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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.