Home / 5,417.45-7,479.56-4,425.11

Finding the Fourth Proportional to 5,417.45, 7,479.56 and 4,425.11

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Solution

The fourth proportional to 5,417.45, 7,479.56 and 4,425.11 is: 6,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.45 : 7,479.56 = 4,425.11 : x
  2. Step 2: Convert to fraction form
    5,417.45/7,479.56 = 4,425.11/x
  3. Step 3: Cross multiply
    5,417.45x = 7,479.56 × 4,425.11
  4. Step 4: Simplify right side
    5,417.45x = 33,097,853.63
  5. Step 5: Solve for x
    x = 33,097,853.63/5,417.45
  6. Step 6: Final answer
    x = 6,109.49

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Half scale
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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.