Home / 6,520.04-9,780.14-2,137.54

Finding the Fourth Proportional to 6,520.04, 9,780.14 and 2,137.54

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Solution

The fourth proportional to 6,520.04, 9,780.14 and 2,137.54 is: 3,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.04 : 9,780.14 = 2,137.54 : x
  2. Step 2: Convert to fraction form
    6,520.04/9,780.14 = 2,137.54/x
  3. Step 3: Cross multiply
    6,520.04x = 9,780.14 × 2,137.54
  4. Step 4: Simplify right side
    6,520.04x = 20,905,440.46
  5. Step 5: Solve for x
    x = 20,905,440.46/6,520.04
  6. Step 6: Final answer
    x = 3,206.34

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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.