Home / 8,748.36-12,078.18-5,563.44

Finding the Fourth Proportional to 8,748.36, 12,078.18 and 5,563.44

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Solution

The fourth proportional to 8,748.36, 12,078.18 and 5,563.44 is: 7,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.36 : 12,078.18 = 5,563.44 : x
  2. Step 2: Convert to fraction form
    8,748.36/12,078.18 = 5,563.44/x
  3. Step 3: Cross multiply
    8,748.36x = 12,078.18 × 5,563.44
  4. Step 4: Simplify right side
    8,748.36x = 67,196,229.74
  5. Step 5: Solve for x
    x = 67,196,229.74/8,748.36
  6. Step 6: Final answer
    x = 7,681.01

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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.