Home / 7,984.57-11,025.17-5,153.35

Finding the Fourth Proportional to 7,984.57, 11,025.17 and 5,153.35

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Solution

The fourth proportional to 7,984.57, 11,025.17 and 5,153.35 is: 7,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.57 : 11,025.17 = 5,153.35 : x
  2. Step 2: Convert to fraction form
    7,984.57/11,025.17 = 5,153.35/x
  3. Step 3: Cross multiply
    7,984.57x = 11,025.17 × 5,153.35
  4. Step 4: Simplify right side
    7,984.57x = 56,816,559.82
  5. Step 5: Solve for x
    x = 56,816,559.82/7,984.57
  6. Step 6: Final answer
    x = 7,115.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.