Home / 8,616.36-12,929.44-4,667.60

Finding the Fourth Proportional to 8,616.36, 12,929.44 and 4,667.60

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Solution

The fourth proportional to 8,616.36, 12,929.44 and 4,667.60 is: 7,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.36 : 12,929.44 = 4,667.60 : x
  2. Step 2: Convert to fraction form
    8,616.36/12,929.44 = 4,667.60/x
  3. Step 3: Cross multiply
    8,616.36x = 12,929.44 × 4,667.60
  4. Step 4: Simplify right side
    8,616.36x = 60,349,454.14
  5. Step 5: Solve for x
    x = 60,349,454.14/8,616.36
  6. Step 6: Final answer
    x = 7,004.05

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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.