Home / 6,669.92-10,013.52-4,209.68

Finding the Fourth Proportional to 6,669.92, 10,013.52 and 4,209.68

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Solution

The fourth proportional to 6,669.92, 10,013.52 and 4,209.68 is: 6,319.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.92 : 10,013.52 = 4,209.68 : x
  2. Step 2: Convert to fraction form
    6,669.92/10,013.52 = 4,209.68/x
  3. Step 3: Cross multiply
    6,669.92x = 10,013.52 × 4,209.68
  4. Step 4: Simplify right side
    6,669.92x = 42,153,714.87
  5. Step 5: Solve for x
    x = 42,153,714.87/6,669.92
  6. Step 6: Final answer
    x = 6,319.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.