Home / 4,269.92-6,405.01-1,929.49

Finding the Fourth Proportional to 4,269.92, 6,405.01 and 1,929.49

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Solution

The fourth proportional to 4,269.92, 6,405.01 and 1,929.49 is: 2,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.92 : 6,405.01 = 1,929.49 : x
  2. Step 2: Convert to fraction form
    4,269.92/6,405.01 = 1,929.49/x
  3. Step 3: Cross multiply
    4,269.92x = 6,405.01 × 1,929.49
  4. Step 4: Simplify right side
    4,269.92x = 12,358,381.91
  5. Step 5: Solve for x
    x = 12,358,381.91/4,269.92
  6. Step 6: Final answer
    x = 2,894.29

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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.