Home / 4,630.90-6,389.06-2,640.02

Finding the Fourth Proportional to 4,630.90, 6,389.06 and 2,640.02

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Solution

The fourth proportional to 4,630.90, 6,389.06 and 2,640.02 is: 3,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.90 : 6,389.06 = 2,640.02 : x
  2. Step 2: Convert to fraction form
    4,630.90/6,389.06 = 2,640.02/x
  3. Step 3: Cross multiply
    4,630.90x = 6,389.06 × 2,640.02
  4. Step 4: Simplify right side
    4,630.90x = 16,867,246.18
  5. Step 5: Solve for x
    x = 16,867,246.18/4,630.90
  6. Step 6: Final answer
    x = 3,642.33

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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.