Home / 6,120-9,151.97-4,561.07

Finding the Fourth Proportional to 6,120, 9,151.97 and 4,561.07

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Solution

The fourth proportional to 6,120, 9,151.97 and 4,561.07 is: 6,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120 : 9,151.97 = 4,561.07 : x
  2. Step 2: Convert to fraction form
    6,120/9,151.97 = 4,561.07/x
  3. Step 3: Cross multiply
    6,120x = 9,151.97 × 4,561.07
  4. Step 4: Simplify right side
    6,120x = 41,742,707.24
  5. Step 5: Solve for x
    x = 41,742,707.24/6,120
  6. Step 6: Final answer
    x = 6,820.70

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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.