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Finding the Fourth Proportional to 4,329.76, 6,494.88 and 1,865.68

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Solution

The fourth proportional to 4,329.76, 6,494.88 and 1,865.68 is: 2,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.76 : 6,494.88 = 1,865.68 : x
  2. Step 2: Convert to fraction form
    4,329.76/6,494.88 = 1,865.68/x
  3. Step 3: Cross multiply
    4,329.76x = 6,494.88 × 1,865.68
  4. Step 4: Simplify right side
    4,329.76x = 12,117,367.72
  5. Step 5: Solve for x
    x = 12,117,367.72/4,329.76
  6. Step 6: Final answer
    x = 2,798.62

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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.