Home / 8,917.20-12,317.52-6,846.96

Finding the Fourth Proportional to 8,917.20, 12,317.52 and 6,846.96

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Solution

The fourth proportional to 8,917.20, 12,317.52 and 6,846.96 is: 9,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.20 : 12,317.52 = 6,846.96 : x
  2. Step 2: Convert to fraction form
    8,917.20/12,317.52 = 6,846.96/x
  3. Step 3: Cross multiply
    8,917.20x = 12,317.52 × 6,846.96
  4. Step 4: Simplify right side
    8,917.20x = 84,337,566.74
  5. Step 5: Solve for x
    x = 84,337,566.74/8,917.20
  6. Step 6: Final answer
    x = 9,457.85

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1.5x scale

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.