Home / 8,255.10-11,389.27-4,715.81

Finding the Fourth Proportional to 8,255.10, 11,389.27 and 4,715.81

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Solution

The fourth proportional to 8,255.10, 11,389.27 and 4,715.81 is: 6,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.10 : 11,389.27 = 4,715.81 : x
  2. Step 2: Convert to fraction form
    8,255.10/11,389.27 = 4,715.81/x
  3. Step 3: Cross multiply
    8,255.10x = 11,389.27 × 4,715.81
  4. Step 4: Simplify right side
    8,255.10x = 53,709,633.36
  5. Step 5: Solve for x
    x = 53,709,633.36/8,255.10
  6. Step 6: Final answer
    x = 6,506.24

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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.