Home / 5,154.74-7,109.59-3,163.62

Finding the Fourth Proportional to 5,154.74, 7,109.59 and 3,163.62

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Solution

The fourth proportional to 5,154.74, 7,109.59 and 3,163.62 is: 4,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.74 : 7,109.59 = 3,163.62 : x
  2. Step 2: Convert to fraction form
    5,154.74/7,109.59 = 3,163.62/x
  3. Step 3: Cross multiply
    5,154.74x = 7,109.59 × 3,163.62
  4. Step 4: Simplify right side
    5,154.74x = 22,492,041.12
  5. Step 5: Solve for x
    x = 22,492,041.12/5,154.74
  6. Step 6: Final answer
    x = 4,363.37

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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.