Home / 7,775.04-11,662.53-1,931.61

Finding the Fourth Proportional to 7,775.04, 11,662.53 and 1,931.61

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Solution

The fourth proportional to 7,775.04, 11,662.53 and 1,931.61 is: 2,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.04 : 11,662.53 = 1,931.61 : x
  2. Step 2: Convert to fraction form
    7,775.04/11,662.53 = 1,931.61/x
  3. Step 3: Cross multiply
    7,775.04x = 11,662.53 × 1,931.61
  4. Step 4: Simplify right side
    7,775.04x = 22,527,459.57
  5. Step 5: Solve for x
    x = 22,527,459.57/7,775.04
  6. Step 6: Final answer
    x = 2,897.41

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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.