Home / 8,870.82-13,306.22-4,977.96

Finding the Fourth Proportional to 8,870.82, 13,306.22 and 4,977.96

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Solution

The fourth proportional to 8,870.82, 13,306.22 and 4,977.96 is: 7,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.82 : 13,306.22 = 4,977.96 : x
  2. Step 2: Convert to fraction form
    8,870.82/13,306.22 = 4,977.96/x
  3. Step 3: Cross multiply
    8,870.82x = 13,306.22 × 4,977.96
  4. Step 4: Simplify right side
    8,870.82x = 66,237,802.79
  5. Step 5: Solve for x
    x = 66,237,802.79/8,870.82
  6. Step 6: Final answer
    x = 7,466.93

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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.