Home / 4,777.09-7,165.45-1,267.12

Finding the Fourth Proportional to 4,777.09, 7,165.45 and 1,267.12

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Solution

The fourth proportional to 4,777.09, 7,165.45 and 1,267.12 is: 1,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.09 : 7,165.45 = 1,267.12 : x
  2. Step 2: Convert to fraction form
    4,777.09/7,165.45 = 1,267.12/x
  3. Step 3: Cross multiply
    4,777.09x = 7,165.45 × 1,267.12
  4. Step 4: Simplify right side
    4,777.09x = 9,079,495.54
  5. Step 5: Solve for x
    x = 9,079,495.54/4,777.09
  6. Step 6: Final answer
    x = 1,900.63

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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.