Home / 8,648.20-12,950.70-5,710.60

Finding the Fourth Proportional to 8,648.20, 12,950.70 and 5,710.60

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Solution

The fourth proportional to 8,648.20, 12,950.70 and 5,710.60 is: 8,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.20 : 12,950.70 = 5,710.60 : x
  2. Step 2: Convert to fraction form
    8,648.20/12,950.70 = 5,710.60/x
  3. Step 3: Cross multiply
    8,648.20x = 12,950.70 × 5,710.60
  4. Step 4: Simplify right side
    8,648.20x = 73,956,267.42
  5. Step 5: Solve for x
    x = 73,956,267.42/8,648.20
  6. Step 6: Final answer
    x = 8,551.64

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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.