Home / 8,690.23-13,038.61-4,012.48

Finding the Fourth Proportional to 8,690.23, 13,038.61 and 4,012.48

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Solution

The fourth proportional to 8,690.23, 13,038.61 and 4,012.48 is: 6,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.23 : 13,038.61 = 4,012.48 : x
  2. Step 2: Convert to fraction form
    8,690.23/13,038.61 = 4,012.48/x
  3. Step 3: Cross multiply
    8,690.23x = 13,038.61 × 4,012.48
  4. Step 4: Simplify right side
    8,690.23x = 52,317,119.23
  5. Step 5: Solve for x
    x = 52,317,119.23/8,690.23
  6. Step 6: Final answer
    x = 6,020.22

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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.