Home / 4,607.40-6,918.02-2,766.75

Finding the Fourth Proportional to 4,607.40, 6,918.02 and 2,766.75

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Solution

The fourth proportional to 4,607.40, 6,918.02 and 2,766.75 is: 4,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.40 : 6,918.02 = 2,766.75 : x
  2. Step 2: Convert to fraction form
    4,607.40/6,918.02 = 2,766.75/x
  3. Step 3: Cross multiply
    4,607.40x = 6,918.02 × 2,766.75
  4. Step 4: Simplify right side
    4,607.40x = 19,140,431.84
  5. Step 5: Solve for x
    x = 19,140,431.84/4,607.40
  6. Step 6: Final answer
    x = 4,154.28

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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.