Home / 7,695.38-11,541.42-2,430.81

Finding the Fourth Proportional to 7,695.38, 11,541.42 and 2,430.81

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Solution

The fourth proportional to 7,695.38, 11,541.42 and 2,430.81 is: 3,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.38 : 11,541.42 = 2,430.81 : x
  2. Step 2: Convert to fraction form
    7,695.38/11,541.42 = 2,430.81/x
  3. Step 3: Cross multiply
    7,695.38x = 11,541.42 × 2,430.81
  4. Step 4: Simplify right side
    7,695.38x = 28,054,999.15
  5. Step 5: Solve for x
    x = 28,054,999.15/7,695.38
  6. Step 6: Final answer
    x = 3,645.69

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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.