Home / 6,122.39-8,445.84-4,775.56

Finding the Fourth Proportional to 6,122.39, 8,445.84 and 4,775.56

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Solution

The fourth proportional to 6,122.39, 8,445.84 and 4,775.56 is: 6,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.39 : 8,445.84 = 4,775.56 : x
  2. Step 2: Convert to fraction form
    6,122.39/8,445.84 = 4,775.56/x
  3. Step 3: Cross multiply
    6,122.39x = 8,445.84 × 4,775.56
  4. Step 4: Simplify right side
    6,122.39x = 40,333,576.65
  5. Step 5: Solve for x
    x = 40,333,576.65/6,122.39
  6. Step 6: Final answer
    x = 6,587.89

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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.