Home / 5,451.60-8,178.88-2,330.08

Finding the Fourth Proportional to 5,451.60, 8,178.88 and 2,330.08

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Solution

The fourth proportional to 5,451.60, 8,178.88 and 2,330.08 is: 3,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.60 : 8,178.88 = 2,330.08 : x
  2. Step 2: Convert to fraction form
    5,451.60/8,178.88 = 2,330.08/x
  3. Step 3: Cross multiply
    5,451.60x = 8,178.88 × 2,330.08
  4. Step 4: Simplify right side
    5,451.60x = 19,057,444.71
  5. Step 5: Solve for x
    x = 19,057,444.71/5,451.60
  6. Step 6: Final answer
    x = 3,495.75

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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.