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Finding the Fourth Proportional to 6,325.70, 9,479.70 and 4,932.77

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Solution

The fourth proportional to 6,325.70, 9,479.70 and 4,932.77 is: 7,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,325.70 : 9,479.70 = 4,932.77 : x
  2. Step 2: Convert to fraction form
    6,325.70/9,479.70 = 4,932.77/x
  3. Step 3: Cross multiply
    6,325.70x = 9,479.70 × 4,932.77
  4. Step 4: Simplify right side
    6,325.70x = 46,761,132.37
  5. Step 5: Solve for x
    x = 46,761,132.37/6,325.70
  6. Step 6: Final answer
    x = 7,392.25

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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.