Home / 4,677.36-7,015.96-1,214.56

Finding the Fourth Proportional to 4,677.36, 7,015.96 and 1,214.56

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Solution

The fourth proportional to 4,677.36, 7,015.96 and 1,214.56 is: 1,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.36 : 7,015.96 = 1,214.56 : x
  2. Step 2: Convert to fraction form
    4,677.36/7,015.96 = 1,214.56/x
  3. Step 3: Cross multiply
    4,677.36x = 7,015.96 × 1,214.56
  4. Step 4: Simplify right side
    4,677.36x = 8,521,304.38
  5. Step 5: Solve for x
    x = 8,521,304.38/4,677.36
  6. Step 6: Final answer
    x = 1,821.82

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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.