Home / 4,650.10-6,416.95-2,881.68

Finding the Fourth Proportional to 4,650.10, 6,416.95 and 2,881.68

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Solution

The fourth proportional to 4,650.10, 6,416.95 and 2,881.68 is: 3,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.10 : 6,416.95 = 2,881.68 : x
  2. Step 2: Convert to fraction form
    4,650.10/6,416.95 = 2,881.68/x
  3. Step 3: Cross multiply
    4,650.10x = 6,416.95 × 2,881.68
  4. Step 4: Simplify right side
    4,650.10x = 18,491,596.48
  5. Step 5: Solve for x
    x = 18,491,596.48/4,650.10
  6. Step 6: Final answer
    x = 3,976.60

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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.