Home / 8,763.17-13,136.93-3,215.22

Finding the Fourth Proportional to 8,763.17, 13,136.93 and 3,215.22

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Solution

The fourth proportional to 8,763.17, 13,136.93 and 3,215.22 is: 4,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.17 : 13,136.93 = 3,215.22 : x
  2. Step 2: Convert to fraction form
    8,763.17/13,136.93 = 3,215.22/x
  3. Step 3: Cross multiply
    8,763.17x = 13,136.93 × 3,215.22
  4. Step 4: Simplify right side
    8,763.17x = 42,238,066.79
  5. Step 5: Solve for x
    x = 42,238,066.79/8,763.17
  6. Step 6: Final answer
    x = 4,819.96

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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.