Home / 6,280.61-9,420.71-2,769.53

Finding the Fourth Proportional to 6,280.61, 9,420.71 and 2,769.53

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Solution

The fourth proportional to 6,280.61, 9,420.71 and 2,769.53 is: 4,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.61 : 9,420.71 = 2,769.53 : x
  2. Step 2: Convert to fraction form
    6,280.61/9,420.71 = 2,769.53/x
  3. Step 3: Cross multiply
    6,280.61x = 9,420.71 × 2,769.53
  4. Step 4: Simplify right side
    6,280.61x = 26,090,878.02
  5. Step 5: Solve for x
    x = 26,090,878.02/6,280.61
  6. Step 6: Final answer
    x = 4,154.20

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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.