Home / 4,690.20-6,470.10-2,922.24

Finding the Fourth Proportional to 4,690.20, 6,470.10 and 2,922.24

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Solution

The fourth proportional to 4,690.20, 6,470.10 and 2,922.24 is: 4,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.20 : 6,470.10 = 2,922.24 : x
  2. Step 2: Convert to fraction form
    4,690.20/6,470.10 = 2,922.24/x
  3. Step 3: Cross multiply
    4,690.20x = 6,470.10 × 2,922.24
  4. Step 4: Simplify right side
    4,690.20x = 18,907,185.02
  5. Step 5: Solve for x
    x = 18,907,185.02/4,690.20
  6. Step 6: Final answer
    x = 4,031.21

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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.