Home / 8,534.05-12,798.57-2,986.36

Finding the Fourth Proportional to 8,534.05, 12,798.57 and 2,986.36

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Solution

The fourth proportional to 8,534.05, 12,798.57 and 2,986.36 is: 4,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.05 : 12,798.57 = 2,986.36 : x
  2. Step 2: Convert to fraction form
    8,534.05/12,798.57 = 2,986.36/x
  3. Step 3: Cross multiply
    8,534.05x = 12,798.57 × 2,986.36
  4. Step 4: Simplify right side
    8,534.05x = 38,221,137.51
  5. Step 5: Solve for x
    x = 38,221,137.51/8,534.05
  6. Step 6: Final answer
    x = 4,478.66

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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.