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Finding the Fourth Proportional to 6,392.80, 9,590.55 and 1,950.10

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Solution

The fourth proportional to 6,392.80, 9,590.55 and 1,950.10 is: 2,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.80 : 9,590.55 = 1,950.10 : x
  2. Step 2: Convert to fraction form
    6,392.80/9,590.55 = 1,950.10/x
  3. Step 3: Cross multiply
    6,392.80x = 9,590.55 × 1,950.10
  4. Step 4: Simplify right side
    6,392.80x = 18,702,531.56
  5. Step 5: Solve for x
    x = 18,702,531.56/6,392.80
  6. Step 6: Final answer
    x = 2,925.56

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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.