Home / 6,209.59-8,569.06-3,415.09

Finding the Fourth Proportional to 6,209.59, 8,569.06 and 3,415.09

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Solution

The fourth proportional to 6,209.59, 8,569.06 and 3,415.09 is: 4,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.59 : 8,569.06 = 3,415.09 : x
  2. Step 2: Convert to fraction form
    6,209.59/8,569.06 = 3,415.09/x
  3. Step 3: Cross multiply
    6,209.59x = 8,569.06 × 3,415.09
  4. Step 4: Simplify right side
    6,209.59x = 29,264,111.12
  5. Step 5: Solve for x
    x = 29,264,111.12/6,209.59
  6. Step 6: Final answer
    x = 4,712.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.