Home / 6,267.78-9,386.70-3,487.55

Finding the Fourth Proportional to 6,267.78, 9,386.70 and 3,487.55

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Solution

The fourth proportional to 6,267.78, 9,386.70 and 3,487.55 is: 5,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,267.78 : 9,386.70 = 3,487.55 : x
  2. Step 2: Convert to fraction form
    6,267.78/9,386.70 = 3,487.55/x
  3. Step 3: Cross multiply
    6,267.78x = 9,386.70 × 3,487.55
  4. Step 4: Simplify right side
    6,267.78x = 32,736,538.65
  5. Step 5: Solve for x
    x = 32,736,538.65/6,267.78
  6. Step 6: Final answer
    x = 5,222.99

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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.