Home / 6,139.50-9,205.46-2,631.80

Finding the Fourth Proportional to 6,139.50, 9,205.46 and 2,631.80

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Solution

The fourth proportional to 6,139.50, 9,205.46 and 2,631.80 is: 3,946.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.50 : 9,205.46 = 2,631.80 : x
  2. Step 2: Convert to fraction form
    6,139.50/9,205.46 = 2,631.80/x
  3. Step 3: Cross multiply
    6,139.50x = 9,205.46 × 2,631.80
  4. Step 4: Simplify right side
    6,139.50x = 24,226,929.63
  5. Step 5: Solve for x
    x = 24,226,929.63/6,139.50
  6. Step 6: Final answer
    x = 3,946.08

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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.