Home / 6,225.19-8,590.88-3,392.55

Finding the Fourth Proportional to 6,225.19, 8,590.88 and 3,392.55

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Solution

The fourth proportional to 6,225.19, 8,590.88 and 3,392.55 is: 4,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.19 : 8,590.88 = 3,392.55 : x
  2. Step 2: Convert to fraction form
    6,225.19/8,590.88 = 3,392.55/x
  3. Step 3: Cross multiply
    6,225.19x = 8,590.88 × 3,392.55
  4. Step 4: Simplify right side
    6,225.19x = 29,144,998.43
  5. Step 5: Solve for x
    x = 29,144,998.43/6,225.19
  6. Step 6: Final answer
    x = 4,681.79

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Half scale
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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.