Home / 8,470.24-12,707.93-2,847.26

Finding the Fourth Proportional to 8,470.24, 12,707.93 and 2,847.26

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Solution

The fourth proportional to 8,470.24, 12,707.93 and 2,847.26 is: 4,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.24 : 12,707.93 = 2,847.26 : x
  2. Step 2: Convert to fraction form
    8,470.24/12,707.93 = 2,847.26/x
  3. Step 3: Cross multiply
    8,470.24x = 12,707.93 × 2,847.26
  4. Step 4: Simplify right side
    8,470.24x = 36,182,780.77
  5. Step 5: Solve for x
    x = 36,182,780.77/8,470.24
  6. Step 6: Final answer
    x = 4,271.75

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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.