Home / 7,350.70-10,157.34-5,357.80

Finding the Fourth Proportional to 7,350.70, 10,157.34 and 5,357.80

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Solution

The fourth proportional to 7,350.70, 10,157.34 and 5,357.80 is: 7,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.70 : 10,157.34 = 5,357.80 : x
  2. Step 2: Convert to fraction form
    7,350.70/10,157.34 = 5,357.80/x
  3. Step 3: Cross multiply
    7,350.70x = 10,157.34 × 5,357.80
  4. Step 4: Simplify right side
    7,350.70x = 54,420,996.25
  5. Step 5: Solve for x
    x = 54,420,996.25/7,350.70
  6. Step 6: Final answer
    x = 7,403.51

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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.