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Finding the Fourth Proportional to 6,129.84, 9,192 and 1,746.26

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Solution

The fourth proportional to 6,129.84, 9,192 and 1,746.26 is: 2,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.84 : 9,192 = 1,746.26 : x
  2. Step 2: Convert to fraction form
    6,129.84/9,192 = 1,746.26/x
  3. Step 3: Cross multiply
    6,129.84x = 9,192 × 1,746.26
  4. Step 4: Simplify right side
    6,129.84x = 16,051,621.92
  5. Step 5: Solve for x
    x = 16,051,621.92/6,129.84
  6. Step 6: Final answer
    x = 2,618.60

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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.