Home / 4,639.90-6,403.04-2,651.08

Finding the Fourth Proportional to 4,639.90, 6,403.04 and 2,651.08

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Solution

The fourth proportional to 4,639.90, 6,403.04 and 2,651.08 is: 3,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.90 : 6,403.04 = 2,651.08 : x
  2. Step 2: Convert to fraction form
    4,639.90/6,403.04 = 2,651.08/x
  3. Step 3: Cross multiply
    4,639.90x = 6,403.04 × 2,651.08
  4. Step 4: Simplify right side
    4,639.90x = 16,974,971.28
  5. Step 5: Solve for x
    x = 16,974,971.28/4,639.90
  6. Step 6: Final answer
    x = 3,658.48

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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.