Home / 8,389.85-12,586.59-4,001.27

Finding the Fourth Proportional to 8,389.85, 12,586.59 and 4,001.27

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Solution

The fourth proportional to 8,389.85, 12,586.59 and 4,001.27 is: 6,002.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.85 : 12,586.59 = 4,001.27 : x
  2. Step 2: Convert to fraction form
    8,389.85/12,586.59 = 4,001.27/x
  3. Step 3: Cross multiply
    8,389.85x = 12,586.59 × 4,001.27
  4. Step 4: Simplify right side
    8,389.85x = 50,362,282.04
  5. Step 5: Solve for x
    x = 50,362,282.04/8,389.85
  6. Step 6: Final answer
    x = 6,002.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.