Home / 4,905.11-7,357.66-1,207.35

Finding the Fourth Proportional to 4,905.11, 7,357.66 and 1,207.35

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Solution

The fourth proportional to 4,905.11, 7,357.66 and 1,207.35 is: 1,811.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.11 : 7,357.66 = 1,207.35 : x
  2. Step 2: Convert to fraction form
    4,905.11/7,357.66 = 1,207.35/x
  3. Step 3: Cross multiply
    4,905.11x = 7,357.66 × 1,207.35
  4. Step 4: Simplify right side
    4,905.11x = 8,883,267.78
  5. Step 5: Solve for x
    x = 8,883,267.78/4,905.11
  6. Step 6: Final answer
    x = 1,811.02

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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.