Home / 4,905.13-7,357.47-1,207.39

Finding the Fourth Proportional to 4,905.13, 7,357.47 and 1,207.39

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Solution

The fourth proportional to 4,905.13, 7,357.47 and 1,207.39 is: 1,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.13 : 7,357.47 = 1,207.39 : x
  2. Step 2: Convert to fraction form
    4,905.13/7,357.47 = 1,207.39/x
  3. Step 3: Cross multiply
    4,905.13x = 7,357.47 × 1,207.39
  4. Step 4: Simplify right side
    4,905.13x = 8,883,335.70
  5. Step 5: Solve for x
    x = 8,883,335.70/4,905.13
  6. Step 6: Final answer
    x = 1,811.03

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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.