Home / 4,458.74-6,688.77-4,185.38

Finding the Fourth Proportional to 4,458.74, 6,688.77 and 4,185.38

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Solution

The fourth proportional to 4,458.74, 6,688.77 and 4,185.38 is: 6,278.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.74 : 6,688.77 = 4,185.38 : x
  2. Step 2: Convert to fraction form
    4,458.74/6,688.77 = 4,185.38/x
  3. Step 3: Cross multiply
    4,458.74x = 6,688.77 × 4,185.38
  4. Step 4: Simplify right side
    4,458.74x = 27,995,044.18
  5. Step 5: Solve for x
    x = 27,995,044.18/4,458.74
  6. Step 6: Final answer
    x = 6,278.69

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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.