Home / 7,147.69-10,721.43-4,337.19

Finding the Fourth Proportional to 7,147.69, 10,721.43 and 4,337.19

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Solution

The fourth proportional to 7,147.69, 10,721.43 and 4,337.19 is: 6,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.69 : 10,721.43 = 4,337.19 : x
  2. Step 2: Convert to fraction form
    7,147.69/10,721.43 = 4,337.19/x
  3. Step 3: Cross multiply
    7,147.69x = 10,721.43 × 4,337.19
  4. Step 4: Simplify right side
    7,147.69x = 46,500,878.98
  5. Step 5: Solve for x
    x = 46,500,878.98/7,147.69
  6. Step 6: Final answer
    x = 6,505.72

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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.