Home / 4,101.04-6,151.91-1,290.52

Finding the Fourth Proportional to 4,101.04, 6,151.91 and 1,290.52

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Solution

The fourth proportional to 4,101.04, 6,151.91 and 1,290.52 is: 1,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.04 : 6,151.91 = 1,290.52 : x
  2. Step 2: Convert to fraction form
    4,101.04/6,151.91 = 1,290.52/x
  3. Step 3: Cross multiply
    4,101.04x = 6,151.91 × 1,290.52
  4. Step 4: Simplify right side
    4,101.04x = 7,939,162.89
  5. Step 5: Solve for x
    x = 7,939,162.89/4,101.04
  6. Step 6: Final answer
    x = 1,935.89

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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.