Home / 8,930.74-12,325.29-5,204.50

Finding the Fourth Proportional to 8,930.74, 12,325.29 and 5,204.50

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Solution

The fourth proportional to 8,930.74, 12,325.29 and 5,204.50 is: 7,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.74 : 12,325.29 = 5,204.50 : x
  2. Step 2: Convert to fraction form
    8,930.74/12,325.29 = 5,204.50/x
  3. Step 3: Cross multiply
    8,930.74x = 12,325.29 × 5,204.50
  4. Step 4: Simplify right side
    8,930.74x = 64,146,971.81
  5. Step 5: Solve for x
    x = 64,146,971.81/8,930.74
  6. Step 6: Final answer
    x = 7,182.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.