Home / 4,021.57-6,030.14-1,247.47

Finding the Fourth Proportional to 4,021.57, 6,030.14 and 1,247.47

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Solution

The fourth proportional to 4,021.57, 6,030.14 and 1,247.47 is: 1,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.57 : 6,030.14 = 1,247.47 : x
  2. Step 2: Convert to fraction form
    4,021.57/6,030.14 = 1,247.47/x
  3. Step 3: Cross multiply
    4,021.57x = 6,030.14 × 1,247.47
  4. Step 4: Simplify right side
    4,021.57x = 7,522,418.75
  5. Step 5: Solve for x
    x = 7,522,418.75/4,021.57
  6. Step 6: Final answer
    x = 1,870.52

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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.