Home / 4,315.78-6,472.91-1,153.24

Finding the Fourth Proportional to 4,315.78, 6,472.91 and 1,153.24

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Solution

The fourth proportional to 4,315.78, 6,472.91 and 1,153.24 is: 1,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.78 : 6,472.91 = 1,153.24 : x
  2. Step 2: Convert to fraction form
    4,315.78/6,472.91 = 1,153.24/x
  3. Step 3: Cross multiply
    4,315.78x = 6,472.91 × 1,153.24
  4. Step 4: Simplify right side
    4,315.78x = 7,464,805.43
  5. Step 5: Solve for x
    x = 7,464,805.43/4,315.78
  6. Step 6: Final answer
    x = 1,729.65

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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.