Home / 7,350.86-11,026.47-2,156.90

Finding the Fourth Proportional to 7,350.86, 11,026.47 and 2,156.90

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Solution

The fourth proportional to 7,350.86, 11,026.47 and 2,156.90 is: 3,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.86 : 11,026.47 = 2,156.90 : x
  2. Step 2: Convert to fraction form
    7,350.86/11,026.47 = 2,156.90/x
  3. Step 3: Cross multiply
    7,350.86x = 11,026.47 × 2,156.90
  4. Step 4: Simplify right side
    7,350.86x = 23,782,993.14
  5. Step 5: Solve for x
    x = 23,782,993.14/7,350.86
  6. Step 6: Final answer
    x = 3,235.40

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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.