Home / 7,365.90-10,151.82-5,120.58

Finding the Fourth Proportional to 7,365.90, 10,151.82 and 5,120.58

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Solution

The fourth proportional to 7,365.90, 10,151.82 and 5,120.58 is: 7,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.90 : 10,151.82 = 5,120.58 : x
  2. Step 2: Convert to fraction form
    7,365.90/10,151.82 = 5,120.58/x
  3. Step 3: Cross multiply
    7,365.90x = 10,151.82 × 5,120.58
  4. Step 4: Simplify right side
    7,365.90x = 51,983,206.46
  5. Step 5: Solve for x
    x = 51,983,206.46/7,365.90
  6. Step 6: Final answer
    x = 7,057.28

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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.