Home / 3,712.63-5,569.17-1,115.50

Finding the Fourth Proportional to 3,712.63, 5,569.17 and 1,115.50

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Solution

The fourth proportional to 3,712.63, 5,569.17 and 1,115.50 is: 1,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.63 : 5,569.17 = 1,115.50 : x
  2. Step 2: Convert to fraction form
    3,712.63/5,569.17 = 1,115.50/x
  3. Step 3: Cross multiply
    3,712.63x = 5,569.17 × 1,115.50
  4. Step 4: Simplify right side
    3,712.63x = 6,212,409.14
  5. Step 5: Solve for x
    x = 6,212,409.14/3,712.63
  6. Step 6: Final answer
    x = 1,673.32

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1.5x scale

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.