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Finding the Fourth Proportional to 4,325, 6,488.46 and 1,246.76

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Solution

The fourth proportional to 4,325, 6,488.46 and 1,246.76 is: 1,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325 : 6,488.46 = 1,246.76 : x
  2. Step 2: Convert to fraction form
    4,325/6,488.46 = 1,246.76/x
  3. Step 3: Cross multiply
    4,325x = 6,488.46 × 1,246.76
  4. Step 4: Simplify right side
    4,325x = 8,089,552.39
  5. Step 5: Solve for x
    x = 8,089,552.39/4,325
  6. Step 6: Final answer
    x = 1,870.42

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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.