Home / 5,387.36-7,427.64-3,495.62

Finding the Fourth Proportional to 5,387.36, 7,427.64 and 3,495.62

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Solution

The fourth proportional to 5,387.36, 7,427.64 and 3,495.62 is: 4,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.36 : 7,427.64 = 3,495.62 : x
  2. Step 2: Convert to fraction form
    5,387.36/7,427.64 = 3,495.62/x
  3. Step 3: Cross multiply
    5,387.36x = 7,427.64 × 3,495.62
  4. Step 4: Simplify right side
    5,387.36x = 25,964,206.94
  5. Step 5: Solve for x
    x = 25,964,206.94/5,387.36
  6. Step 6: Final answer
    x = 4,819.47

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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.