Home / 8,389.46-11,579.61-4,854.72

Finding the Fourth Proportional to 8,389.46, 11,579.61 and 4,854.72

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Solution

The fourth proportional to 8,389.46, 11,579.61 and 4,854.72 is: 6,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.46 : 11,579.61 = 4,854.72 : x
  2. Step 2: Convert to fraction form
    8,389.46/11,579.61 = 4,854.72/x
  3. Step 3: Cross multiply
    8,389.46x = 11,579.61 × 4,854.72
  4. Step 4: Simplify right side
    8,389.46x = 56,215,764.26
  5. Step 5: Solve for x
    x = 56,215,764.26/8,389.46
  6. Step 6: Final answer
    x = 6,700.76

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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.