Home / 8,088.20-12,127.05-3,158.35

Finding the Fourth Proportional to 8,088.20, 12,127.05 and 3,158.35

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Solution

The fourth proportional to 8,088.20, 12,127.05 and 3,158.35 is: 4,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.20 : 12,127.05 = 3,158.35 : x
  2. Step 2: Convert to fraction form
    8,088.20/12,127.05 = 3,158.35/x
  3. Step 3: Cross multiply
    8,088.20x = 12,127.05 × 3,158.35
  4. Step 4: Simplify right side
    8,088.20x = 38,301,468.37
  5. Step 5: Solve for x
    x = 38,301,468.37/8,088.20
  6. Step 6: Final answer
    x = 4,735.47

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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.