Home / 7,389.32-11,083.96-3,005.74

Finding the Fourth Proportional to 7,389.32, 11,083.96 and 3,005.74

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Solution

The fourth proportional to 7,389.32, 11,083.96 and 3,005.74 is: 4,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.32 : 11,083.96 = 3,005.74 : x
  2. Step 2: Convert to fraction form
    7,389.32/11,083.96 = 3,005.74/x
  3. Step 3: Cross multiply
    7,389.32x = 11,083.96 × 3,005.74
  4. Step 4: Simplify right side
    7,389.32x = 33,315,501.93
  5. Step 5: Solve for x
    x = 33,315,501.93/7,389.32
  6. Step 6: Final answer
    x = 4,508.60

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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.