Home / 7,685.16-11,535.03-3,529.86

Finding the Fourth Proportional to 7,685.16, 11,535.03 and 3,529.86

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Solution

The fourth proportional to 7,685.16, 11,535.03 and 3,529.86 is: 5,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.16 : 11,535.03 = 3,529.86 : x
  2. Step 2: Convert to fraction form
    7,685.16/11,535.03 = 3,529.86/x
  3. Step 3: Cross multiply
    7,685.16x = 11,535.03 × 3,529.86
  4. Step 4: Simplify right side
    7,685.16x = 40,717,041.00
  5. Step 5: Solve for x
    x = 40,717,041.00/7,685.16
  6. Step 6: Final answer
    x = 5,298.14

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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.