Home / 4,690.87-6,472.54-2,674.20

Finding the Fourth Proportional to 4,690.87, 6,472.54 and 2,674.20

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Solution

The fourth proportional to 4,690.87, 6,472.54 and 2,674.20 is: 3,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.87 : 6,472.54 = 2,674.20 : x
  2. Step 2: Convert to fraction form
    4,690.87/6,472.54 = 2,674.20/x
  3. Step 3: Cross multiply
    4,690.87x = 6,472.54 × 2,674.20
  4. Step 4: Simplify right side
    4,690.87x = 17,308,846.84
  5. Step 5: Solve for x
    x = 17,308,846.84/4,690.87
  6. Step 6: Final answer
    x = 3,689.90

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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.