Home / 6,674.28-9,210.05-3,690.09

Finding the Fourth Proportional to 6,674.28, 9,210.05 and 3,690.09

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Solution

The fourth proportional to 6,674.28, 9,210.05 and 3,690.09 is: 5,092.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,674.28 : 9,210.05 = 3,690.09 : x
  2. Step 2: Convert to fraction form
    6,674.28/9,210.05 = 3,690.09/x
  3. Step 3: Cross multiply
    6,674.28x = 9,210.05 × 3,690.09
  4. Step 4: Simplify right side
    6,674.28x = 33,985,929.55
  5. Step 5: Solve for x
    x = 33,985,929.55/6,674.28
  6. Step 6: Final answer
    x = 5,092.07

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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.