Home / 8,701.19-13,051.32-3,078.47

Finding the Fourth Proportional to 8,701.19, 13,051.32 and 3,078.47

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Solution

The fourth proportional to 8,701.19, 13,051.32 and 3,078.47 is: 4,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.19 : 13,051.32 = 3,078.47 : x
  2. Step 2: Convert to fraction form
    8,701.19/13,051.32 = 3,078.47/x
  3. Step 3: Cross multiply
    8,701.19x = 13,051.32 × 3,078.47
  4. Step 4: Simplify right side
    8,701.19x = 40,178,031.82
  5. Step 5: Solve for x
    x = 40,178,031.82/8,701.19
  6. Step 6: Final answer
    x = 4,617.54

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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.