Home / 7,028.28-10,511.40-6,253.80

Finding the Fourth Proportional to 7,028.28, 10,511.40 and 6,253.80

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Solution

The fourth proportional to 7,028.28, 10,511.40 and 6,253.80 is: 9,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.28 : 10,511.40 = 6,253.80 : x
  2. Step 2: Convert to fraction form
    7,028.28/10,511.40 = 6,253.80/x
  3. Step 3: Cross multiply
    7,028.28x = 10,511.40 × 6,253.80
  4. Step 4: Simplify right side
    7,028.28x = 65,736,193.32
  5. Step 5: Solve for x
    x = 65,736,193.32/7,028.28
  6. Step 6: Final answer
    x = 9,353.10

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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.