Home / 8,154.37-11,252.81-4,618.72

Finding the Fourth Proportional to 8,154.37, 11,252.81 and 4,618.72

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Solution

The fourth proportional to 8,154.37, 11,252.81 and 4,618.72 is: 6,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.37 : 11,252.81 = 4,618.72 : x
  2. Step 2: Convert to fraction form
    8,154.37/11,252.81 = 4,618.72/x
  3. Step 3: Cross multiply
    8,154.37x = 11,252.81 × 4,618.72
  4. Step 4: Simplify right side
    8,154.37x = 51,973,499.25
  5. Step 5: Solve for x
    x = 51,973,499.25/8,154.37
  6. Step 6: Final answer
    x = 6,373.70

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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.