Home / 6,087.86-9,129.92-2,389.10

Finding the Fourth Proportional to 6,087.86, 9,129.92 and 2,389.10

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Solution

The fourth proportional to 6,087.86, 9,129.92 and 2,389.10 is: 3,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.86 : 9,129.92 = 2,389.10 : x
  2. Step 2: Convert to fraction form
    6,087.86/9,129.92 = 2,389.10/x
  3. Step 3: Cross multiply
    6,087.86x = 9,129.92 × 2,389.10
  4. Step 4: Simplify right side
    6,087.86x = 21,812,234.28
  5. Step 5: Solve for x
    x = 21,812,234.28/6,087.86
  6. Step 6: Final answer
    x = 3,582.91

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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.