Home / 4,890.14-6,746.61-3,212.45

Finding the Fourth Proportional to 4,890.14, 6,746.61 and 3,212.45

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Solution

The fourth proportional to 4,890.14, 6,746.61 and 3,212.45 is: 4,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.14 : 6,746.61 = 3,212.45 : x
  2. Step 2: Convert to fraction form
    4,890.14/6,746.61 = 3,212.45/x
  3. Step 3: Cross multiply
    4,890.14x = 6,746.61 × 3,212.45
  4. Step 4: Simplify right side
    4,890.14x = 21,673,113.56
  5. Step 5: Solve for x
    x = 21,673,113.56/4,890.14
  6. Step 6: Final answer
    x = 4,432.01

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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.