Home / 6,280.08-9,420.09-2,579.70

Finding the Fourth Proportional to 6,280.08, 9,420.09 and 2,579.70

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Solution

The fourth proportional to 6,280.08, 9,420.09 and 2,579.70 is: 3,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.08 : 9,420.09 = 2,579.70 : x
  2. Step 2: Convert to fraction form
    6,280.08/9,420.09 = 2,579.70/x
  3. Step 3: Cross multiply
    6,280.08x = 9,420.09 × 2,579.70
  4. Step 4: Simplify right side
    6,280.08x = 24,301,006.17
  5. Step 5: Solve for x
    x = 24,301,006.17/6,280.08
  6. Step 6: Final answer
    x = 3,869.54

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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.