Home / 6,439.57-8,890.56-4,944.58

Finding the Fourth Proportional to 6,439.57, 8,890.56 and 4,944.58

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Solution

The fourth proportional to 6,439.57, 8,890.56 and 4,944.58 is: 6,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.57 : 8,890.56 = 4,944.58 : x
  2. Step 2: Convert to fraction form
    6,439.57/8,890.56 = 4,944.58/x
  3. Step 3: Cross multiply
    6,439.57x = 8,890.56 × 4,944.58
  4. Step 4: Simplify right side
    6,439.57x = 43,960,062.94
  5. Step 5: Solve for x
    x = 43,960,062.94/6,439.57
  6. Step 6: Final answer
    x = 6,826.56

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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.