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Finding the Fourth Proportional to 4,594.68, 6,891.84 and 1,131.84

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Solution

The fourth proportional to 4,594.68, 6,891.84 and 1,131.84 is: 1,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,594.68 : 6,891.84 = 1,131.84 : x
  2. Step 2: Convert to fraction form
    4,594.68/6,891.84 = 1,131.84/x
  3. Step 3: Cross multiply
    4,594.68x = 6,891.84 × 1,131.84
  4. Step 4: Simplify right side
    4,594.68x = 7,800,460.19
  5. Step 5: Solve for x
    x = 7,800,460.19/4,594.68
  6. Step 6: Final answer
    x = 1,697.72

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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.