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Finding the Fourth Proportional to 4,266.60, 6,405.02 and 2,730.60

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Solution

The fourth proportional to 4,266.60, 6,405.02 and 2,730.60 is: 4,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.60 : 6,405.02 = 2,730.60 : x
  2. Step 2: Convert to fraction form
    4,266.60/6,405.02 = 2,730.60/x
  3. Step 3: Cross multiply
    4,266.60x = 6,405.02 × 2,730.60
  4. Step 4: Simplify right side
    4,266.60x = 17,489,547.61
  5. Step 5: Solve for x
    x = 17,489,547.61/4,266.60
  6. Step 6: Final answer
    x = 4,099.18

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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.