Home / 6,425.10-8,866.70-3,772.55

Finding the Fourth Proportional to 6,425.10, 8,866.70 and 3,772.55

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Solution

The fourth proportional to 6,425.10, 8,866.70 and 3,772.55 is: 5,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.10 : 8,866.70 = 3,772.55 : x
  2. Step 2: Convert to fraction form
    6,425.10/8,866.70 = 3,772.55/x
  3. Step 3: Cross multiply
    6,425.10x = 8,866.70 × 3,772.55
  4. Step 4: Simplify right side
    6,425.10x = 33,450,005.89
  5. Step 5: Solve for x
    x = 33,450,005.89/6,425.10
  6. Step 6: Final answer
    x = 5,206.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.