Home / 4,316.40-6,474.57-3,545.28

Finding the Fourth Proportional to 4,316.40, 6,474.57 and 3,545.28

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Solution

The fourth proportional to 4,316.40, 6,474.57 and 3,545.28 is: 5,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.40 : 6,474.57 = 3,545.28 : x
  2. Step 2: Convert to fraction form
    4,316.40/6,474.57 = 3,545.28/x
  3. Step 3: Cross multiply
    4,316.40x = 6,474.57 × 3,545.28
  4. Step 4: Simplify right side
    4,316.40x = 22,954,163.53
  5. Step 5: Solve for x
    x = 22,954,163.53/4,316.40
  6. Step 6: Final answer
    x = 5,317.90

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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.