Home / 6,280.13-9,420.05-5,299.22

Finding the Fourth Proportional to 6,280.13, 9,420.05 and 5,299.22

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Solution

The fourth proportional to 6,280.13, 9,420.05 and 5,299.22 is: 7,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.13 : 9,420.05 = 5,299.22 : x
  2. Step 2: Convert to fraction form
    6,280.13/9,420.05 = 5,299.22/x
  3. Step 3: Cross multiply
    6,280.13x = 9,420.05 × 5,299.22
  4. Step 4: Simplify right side
    6,280.13x = 49,918,843.76
  5. Step 5: Solve for x
    x = 49,918,843.76/6,280.13
  6. Step 6: Final answer
    x = 7,948.70

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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.