Home / 8,899.84-12,282.56-5,175.04

Finding the Fourth Proportional to 8,899.84, 12,282.56 and 5,175.04

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Solution

The fourth proportional to 8,899.84, 12,282.56 and 5,175.04 is: 7,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.84 : 12,282.56 = 5,175.04 : x
  2. Step 2: Convert to fraction form
    8,899.84/12,282.56 = 5,175.04/x
  3. Step 3: Cross multiply
    8,899.84x = 12,282.56 × 5,175.04
  4. Step 4: Simplify right side
    8,899.84x = 63,562,739.30
  5. Step 5: Solve for x
    x = 63,562,739.30/8,899.84
  6. Step 6: Final answer
    x = 7,142.01

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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.