Home / 8,763.43-12,089.55-5,175.94

Finding the Fourth Proportional to 8,763.43, 12,089.55 and 5,175.94

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Solution

The fourth proportional to 8,763.43, 12,089.55 and 5,175.94 is: 7,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.43 : 12,089.55 = 5,175.94 : x
  2. Step 2: Convert to fraction form
    8,763.43/12,089.55 = 5,175.94/x
  3. Step 3: Cross multiply
    8,763.43x = 12,089.55 × 5,175.94
  4. Step 4: Simplify right side
    8,763.43x = 62,574,785.43
  5. Step 5: Solve for x
    x = 62,574,785.43/8,763.43
  6. Step 6: Final answer
    x = 7,140.44

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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.