Home / 7,557.57-11,332.17-3,114.05

Finding the Fourth Proportional to 7,557.57, 11,332.17 and 3,114.05

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Solution

The fourth proportional to 7,557.57, 11,332.17 and 3,114.05 is: 4,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.57 : 11,332.17 = 3,114.05 : x
  2. Step 2: Convert to fraction form
    7,557.57/11,332.17 = 3,114.05/x
  3. Step 3: Cross multiply
    7,557.57x = 11,332.17 × 3,114.05
  4. Step 4: Simplify right side
    7,557.57x = 35,288,887.33
  5. Step 5: Solve for x
    x = 35,288,887.33/7,557.57
  6. Step 6: Final answer
    x = 4,669.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.