Home / 7,925.18-11,905.99-5,590.55

Finding the Fourth Proportional to 7,925.18, 11,905.99 and 5,590.55

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Solution

The fourth proportional to 7,925.18, 11,905.99 and 5,590.55 is: 8,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.18 : 11,905.99 = 5,590.55 : x
  2. Step 2: Convert to fraction form
    7,925.18/11,905.99 = 5,590.55/x
  3. Step 3: Cross multiply
    7,925.18x = 11,905.99 × 5,590.55
  4. Step 4: Simplify right side
    7,925.18x = 66,561,048.18
  5. Step 5: Solve for x
    x = 66,561,048.18/7,925.18
  6. Step 6: Final answer
    x = 8,398.68

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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.