Home / 8,941.13-12,333.63-5,578.10

Finding the Fourth Proportional to 8,941.13, 12,333.63 and 5,578.10

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Solution

The fourth proportional to 8,941.13, 12,333.63 and 5,578.10 is: 7,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.13 : 12,333.63 = 5,578.10 : x
  2. Step 2: Convert to fraction form
    8,941.13/12,333.63 = 5,578.10/x
  3. Step 3: Cross multiply
    8,941.13x = 12,333.63 × 5,578.10
  4. Step 4: Simplify right side
    8,941.13x = 68,798,221.50
  5. Step 5: Solve for x
    x = 68,798,221.50/8,941.13
  6. Step 6: Final answer
    x = 7,694.58

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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.