Home / 5,311.52-7,329.69-2,953.49

Finding the Fourth Proportional to 5,311.52, 7,329.69 and 2,953.49

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Solution

The fourth proportional to 5,311.52, 7,329.69 and 2,953.49 is: 4,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.52 : 7,329.69 = 2,953.49 : x
  2. Step 2: Convert to fraction form
    5,311.52/7,329.69 = 2,953.49/x
  3. Step 3: Cross multiply
    5,311.52x = 7,329.69 × 2,953.49
  4. Step 4: Simplify right side
    5,311.52x = 21,648,166.12
  5. Step 5: Solve for x
    x = 21,648,166.12/5,311.52
  6. Step 6: Final answer
    x = 4,075.70

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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.