Home / 5,311.49-7,329.89-2,953.58

Finding the Fourth Proportional to 5,311.49, 7,329.89 and 2,953.58

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Solution

The fourth proportional to 5,311.49, 7,329.89 and 2,953.58 is: 4,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.49 : 7,329.89 = 2,953.58 : x
  2. Step 2: Convert to fraction form
    5,311.49/7,329.89 = 2,953.58/x
  3. Step 3: Cross multiply
    5,311.49x = 7,329.89 × 2,953.58
  4. Step 4: Simplify right side
    5,311.49x = 21,649,387.24
  5. Step 5: Solve for x
    x = 21,649,387.24/5,311.49
  6. Step 6: Final answer
    x = 4,075.96

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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.