Home / 5,380.14-8,070.15-3,792.32

Finding the Fourth Proportional to 5,380.14, 8,070.15 and 3,792.32

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Solution

The fourth proportional to 5,380.14, 8,070.15 and 3,792.32 is: 5,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.14 : 8,070.15 = 3,792.32 : x
  2. Step 2: Convert to fraction form
    5,380.14/8,070.15 = 3,792.32/x
  3. Step 3: Cross multiply
    5,380.14x = 8,070.15 × 3,792.32
  4. Step 4: Simplify right side
    5,380.14x = 30,604,574.05
  5. Step 5: Solve for x
    x = 30,604,574.05/5,380.14
  6. Step 6: Final answer
    x = 5,688.44

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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.