Home / 5,328.18-7,352.91-2,970.81

Finding the Fourth Proportional to 5,328.18, 7,352.91 and 2,970.81

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Solution

The fourth proportional to 5,328.18, 7,352.91 and 2,970.81 is: 4,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.18 : 7,352.91 = 2,970.81 : x
  2. Step 2: Convert to fraction form
    5,328.18/7,352.91 = 2,970.81/x
  3. Step 3: Cross multiply
    5,328.18x = 7,352.91 × 2,970.81
  4. Step 4: Simplify right side
    5,328.18x = 21,844,098.56
  5. Step 5: Solve for x
    x = 21,844,098.56/5,328.18
  6. Step 6: Final answer
    x = 4,099.73

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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.