Home / 4,890.20-6,746.63-3,212.52

Finding the Fourth Proportional to 4,890.20, 6,746.63 and 3,212.52

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Solution

The fourth proportional to 4,890.20, 6,746.63 and 3,212.52 is: 4,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.20 : 6,746.63 = 3,212.52 : x
  2. Step 2: Convert to fraction form
    4,890.20/6,746.63 = 3,212.52/x
  3. Step 3: Cross multiply
    4,890.20x = 6,746.63 × 3,212.52
  4. Step 4: Simplify right side
    4,890.20x = 21,673,667.75
  5. Step 5: Solve for x
    x = 21,673,667.75/4,890.20
  6. Step 6: Final answer
    x = 4,432.07

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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.