Home / 8,582.24-12,861.84-3,386.72

Finding the Fourth Proportional to 8,582.24, 12,861.84 and 3,386.72

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Solution

The fourth proportional to 8,582.24, 12,861.84 and 3,386.72 is: 5,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.24 : 12,861.84 = 3,386.72 : x
  2. Step 2: Convert to fraction form
    8,582.24/12,861.84 = 3,386.72/x
  3. Step 3: Cross multiply
    8,582.24x = 12,861.84 × 3,386.72
  4. Step 4: Simplify right side
    8,582.24x = 43,559,450.76
  5. Step 5: Solve for x
    x = 43,559,450.76/8,582.24
  6. Step 6: Final answer
    x = 5,075.53

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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.