Home / 6,209.76-8,569.60-3,415.24

Finding the Fourth Proportional to 6,209.76, 8,569.60 and 3,415.24

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Solution

The fourth proportional to 6,209.76, 8,569.60 and 3,415.24 is: 4,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.76 : 8,569.60 = 3,415.24 : x
  2. Step 2: Convert to fraction form
    6,209.76/8,569.60 = 3,415.24/x
  3. Step 3: Cross multiply
    6,209.76x = 8,569.60 × 3,415.24
  4. Step 4: Simplify right side
    6,209.76x = 29,267,240.70
  5. Step 5: Solve for x
    x = 29,267,240.70/6,209.76
  6. Step 6: Final answer
    x = 4,713.10

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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.