Home / 5,430.62-8,150.79-2,510.57

Finding the Fourth Proportional to 5,430.62, 8,150.79 and 2,510.57

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Solution

The fourth proportional to 5,430.62, 8,150.79 and 2,510.57 is: 3,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.62 : 8,150.79 = 2,510.57 : x
  2. Step 2: Convert to fraction form
    5,430.62/8,150.79 = 2,510.57/x
  3. Step 3: Cross multiply
    5,430.62x = 8,150.79 × 2,510.57
  4. Step 4: Simplify right side
    5,430.62x = 20,463,128.85
  5. Step 5: Solve for x
    x = 20,463,128.85/5,430.62
  6. Step 6: Final answer
    x = 3,768.10

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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.