Home / 5,377.39-7,417.58-3,384.38

Finding the Fourth Proportional to 5,377.39, 7,417.58 and 3,384.38

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Solution

The fourth proportional to 5,377.39, 7,417.58 and 3,384.38 is: 4,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.39 : 7,417.58 = 3,384.38 : x
  2. Step 2: Convert to fraction form
    5,377.39/7,417.58 = 3,384.38/x
  3. Step 3: Cross multiply
    5,377.39x = 7,417.58 × 3,384.38
  4. Step 4: Simplify right side
    5,377.39x = 25,103,911.02
  5. Step 5: Solve for x
    x = 25,103,911.02/5,377.39
  6. Step 6: Final answer
    x = 4,668.42

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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.