Home / 6,620.28-9,137.52-4,499.28

Finding the Fourth Proportional to 6,620.28, 9,137.52 and 4,499.28

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Solution

The fourth proportional to 6,620.28, 9,137.52 and 4,499.28 is: 6,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.28 : 9,137.52 = 4,499.28 : x
  2. Step 2: Convert to fraction form
    6,620.28/9,137.52 = 4,499.28/x
  3. Step 3: Cross multiply
    6,620.28x = 9,137.52 × 4,499.28
  4. Step 4: Simplify right side
    6,620.28x = 41,112,260.99
  5. Step 5: Solve for x
    x = 41,112,260.99/6,620.28
  6. Step 6: Final answer
    x = 6,210.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.