Home / 4,674.90-7,012.53-1,212.06

Finding the Fourth Proportional to 4,674.90, 7,012.53 and 1,212.06

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Solution

The fourth proportional to 4,674.90, 7,012.53 and 1,212.06 is: 1,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.90 : 7,012.53 = 1,212.06 : x
  2. Step 2: Convert to fraction form
    4,674.90/7,012.53 = 1,212.06/x
  3. Step 3: Cross multiply
    4,674.90x = 7,012.53 × 1,212.06
  4. Step 4: Simplify right side
    4,674.90x = 8,499,607.11
  5. Step 5: Solve for x
    x = 8,499,607.11/4,674.90
  6. Step 6: Final answer
    x = 1,818.14

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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.