Home / 8,586.90-11,846.19-5,185.31

Finding the Fourth Proportional to 8,586.90, 11,846.19 and 5,185.31

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Solution

The fourth proportional to 8,586.90, 11,846.19 and 5,185.31 is: 7,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.90 : 11,846.19 = 5,185.31 : x
  2. Step 2: Convert to fraction form
    8,586.90/11,846.19 = 5,185.31/x
  3. Step 3: Cross multiply
    8,586.90x = 11,846.19 × 5,185.31
  4. Step 4: Simplify right side
    8,586.90x = 61,426,108.24
  5. Step 5: Solve for x
    x = 61,426,108.24/8,586.90
  6. Step 6: Final answer
    x = 7,153.47

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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.