Home / 7,484.47-11,225.79-2,554.61

Finding the Fourth Proportional to 7,484.47, 11,225.79 and 2,554.61

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Solution

The fourth proportional to 7,484.47, 11,225.79 and 2,554.61 is: 3,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.47 : 11,225.79 = 2,554.61 : x
  2. Step 2: Convert to fraction form
    7,484.47/11,225.79 = 2,554.61/x
  3. Step 3: Cross multiply
    7,484.47x = 11,225.79 × 2,554.61
  4. Step 4: Simplify right side
    7,484.47x = 28,677,459.26
  5. Step 5: Solve for x
    x = 28,677,459.26/7,484.47
  6. Step 6: Final answer
    x = 3,831.60

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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.