Home / 7,530.81-11,303.20-5,424.61

Finding the Fourth Proportional to 7,530.81, 11,303.20 and 5,424.61

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Solution

The fourth proportional to 7,530.81, 11,303.20 and 5,424.61 is: 8,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.81 : 11,303.20 = 5,424.61 : x
  2. Step 2: Convert to fraction form
    7,530.81/11,303.20 = 5,424.61/x
  3. Step 3: Cross multiply
    7,530.81x = 11,303.20 × 5,424.61
  4. Step 4: Simplify right side
    7,530.81x = 61,315,395.24
  5. Step 5: Solve for x
    x = 61,315,395.24/7,530.81
  6. Step 6: Final answer
    x = 8,141.94

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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.