Home / 7,380.18-11,070.14-1,833.57

Finding the Fourth Proportional to 7,380.18, 11,070.14 and 1,833.57

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Solution

The fourth proportional to 7,380.18, 11,070.14 and 1,833.57 is: 2,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.18 : 11,070.14 = 1,833.57 : x
  2. Step 2: Convert to fraction form
    7,380.18/11,070.14 = 1,833.57/x
  3. Step 3: Cross multiply
    7,380.18x = 11,070.14 × 1,833.57
  4. Step 4: Simplify right side
    7,380.18x = 20,297,881.18
  5. Step 5: Solve for x
    x = 20,297,881.18/7,380.18
  6. Step 6: Final answer
    x = 2,750.32

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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.