Home / 4,777.17-7,165.77-1,314.42

Finding the Fourth Proportional to 4,777.17, 7,165.77 and 1,314.42

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Solution

The fourth proportional to 4,777.17, 7,165.77 and 1,314.42 is: 1,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.17 : 7,165.77 = 1,314.42 : x
  2. Step 2: Convert to fraction form
    4,777.17/7,165.77 = 1,314.42/x
  3. Step 3: Cross multiply
    4,777.17x = 7,165.77 × 1,314.42
  4. Step 4: Simplify right side
    4,777.17x = 9,418,831.40
  5. Step 5: Solve for x
    x = 9,418,831.40/4,777.17
  6. Step 6: Final answer
    x = 1,971.63

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Similar ratio
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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.