Home / 4,630.40-6,388.37-2,639.52

Finding the Fourth Proportional to 4,630.40, 6,388.37 and 2,639.52

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Solution

The fourth proportional to 4,630.40, 6,388.37 and 2,639.52 is: 3,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.40 : 6,388.37 = 2,639.52 : x
  2. Step 2: Convert to fraction form
    4,630.40/6,388.37 = 2,639.52/x
  3. Step 3: Cross multiply
    4,630.40x = 6,388.37 × 2,639.52
  4. Step 4: Simplify right side
    4,630.40x = 16,862,227.08
  5. Step 5: Solve for x
    x = 16,862,227.08/4,630.40
  6. Step 6: Final answer
    x = 3,641.64

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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.