Home / 4,678.91-6,455.24-3,001.22

Finding the Fourth Proportional to 4,678.91, 6,455.24 and 3,001.22

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Solution

The fourth proportional to 4,678.91, 6,455.24 and 3,001.22 is: 4,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.91 : 6,455.24 = 3,001.22 : x
  2. Step 2: Convert to fraction form
    4,678.91/6,455.24 = 3,001.22/x
  3. Step 3: Cross multiply
    4,678.91x = 6,455.24 × 3,001.22
  4. Step 4: Simplify right side
    4,678.91x = 19,373,596.52
  5. Step 5: Solve for x
    x = 19,373,596.52/4,678.91
  6. Step 6: Final answer
    x = 4,140.63

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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.