Home / 4,640.90-6,403.74-2,651.10

Finding the Fourth Proportional to 4,640.90, 6,403.74 and 2,651.10

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Solution

The fourth proportional to 4,640.90, 6,403.74 and 2,651.10 is: 3,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.90 : 6,403.74 = 2,651.10 : x
  2. Step 2: Convert to fraction form
    4,640.90/6,403.74 = 2,651.10/x
  3. Step 3: Cross multiply
    4,640.90x = 6,403.74 × 2,651.10
  4. Step 4: Simplify right side
    4,640.90x = 16,976,955.11
  5. Step 5: Solve for x
    x = 16,976,955.11/4,640.90
  6. Step 6: Final answer
    x = 3,658.12

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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.