Home / 5,311.14-7,328.52-2,953.23

Finding the Fourth Proportional to 5,311.14, 7,328.52 and 2,953.23

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Solution

The fourth proportional to 5,311.14, 7,328.52 and 2,953.23 is: 4,074.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.14 : 7,328.52 = 2,953.23 : x
  2. Step 2: Convert to fraction form
    5,311.14/7,328.52 = 2,953.23/x
  3. Step 3: Cross multiply
    5,311.14x = 7,328.52 × 2,953.23
  4. Step 4: Simplify right side
    5,311.14x = 21,642,805.12
  5. Step 5: Solve for x
    x = 21,642,805.12/5,311.14
  6. Step 6: Final answer
    x = 4,074.98

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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.