Home / 5,712.02-8,566.19-1,815.51

Finding the Fourth Proportional to 5,712.02, 8,566.19 and 1,815.51

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Solution

The fourth proportional to 5,712.02, 8,566.19 and 1,815.51 is: 2,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.02 : 8,566.19 = 1,815.51 : x
  2. Step 2: Convert to fraction form
    5,712.02/8,566.19 = 1,815.51/x
  3. Step 3: Cross multiply
    5,712.02x = 8,566.19 × 1,815.51
  4. Step 4: Simplify right side
    5,712.02x = 15,551,994.53
  5. Step 5: Solve for x
    x = 15,551,994.53/5,712.02
  6. Step 6: Final answer
    x = 2,722.68

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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.