Home / 6,225.28-8,590.58-3,392.64

Finding the Fourth Proportional to 6,225.28, 8,590.58 and 3,392.64

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Solution

The fourth proportional to 6,225.28, 8,590.58 and 3,392.64 is: 4,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.28 : 8,590.58 = 3,392.64 : x
  2. Step 2: Convert to fraction form
    6,225.28/8,590.58 = 3,392.64/x
  3. Step 3: Cross multiply
    6,225.28x = 8,590.58 × 3,392.64
  4. Step 4: Simplify right side
    6,225.28x = 29,144,747.66
  5. Step 5: Solve for x
    x = 29,144,747.66/6,225.28
  6. Step 6: Final answer
    x = 4,681.68

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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.