Home / 6,487.85-9,732.01-2,270.28

Finding the Fourth Proportional to 6,487.85, 9,732.01 and 2,270.28

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Solution

The fourth proportional to 6,487.85, 9,732.01 and 2,270.28 is: 3,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.85 : 9,732.01 = 2,270.28 : x
  2. Step 2: Convert to fraction form
    6,487.85/9,732.01 = 2,270.28/x
  3. Step 3: Cross multiply
    6,487.85x = 9,732.01 × 2,270.28
  4. Step 4: Simplify right side
    6,487.85x = 22,094,339.00
  5. Step 5: Solve for x
    x = 22,094,339.00/6,487.85
  6. Step 6: Final answer
    x = 3,405.50

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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.