Home / 8,929.02-13,390.93-2,687.42

Finding the Fourth Proportional to 8,929.02, 13,390.93 and 2,687.42

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Solution

The fourth proportional to 8,929.02, 13,390.93 and 2,687.42 is: 4,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.02 : 13,390.93 = 2,687.42 : x
  2. Step 2: Convert to fraction form
    8,929.02/13,390.93 = 2,687.42/x
  3. Step 3: Cross multiply
    8,929.02x = 13,390.93 × 2,687.42
  4. Step 4: Simplify right side
    8,929.02x = 35,987,053.10
  5. Step 5: Solve for x
    x = 35,987,053.10/8,929.02
  6. Step 6: Final answer
    x = 4,030.35

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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.