Home / 8,635.48-11,916.84-4,858.65

Finding the Fourth Proportional to 8,635.48, 11,916.84 and 4,858.65

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Solution

The fourth proportional to 8,635.48, 11,916.84 and 4,858.65 is: 6,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.48 : 11,916.84 = 4,858.65 : x
  2. Step 2: Convert to fraction form
    8,635.48/11,916.84 = 4,858.65/x
  3. Step 3: Cross multiply
    8,635.48x = 11,916.84 × 4,858.65
  4. Step 4: Simplify right side
    8,635.48x = 57,899,772.31
  5. Step 5: Solve for x
    x = 57,899,772.31/8,635.48
  6. Step 6: Final answer
    x = 6,704.87

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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.