Home / 9,370.32-14,061.87-4,990.86

Finding the Fourth Proportional to 9,370.32, 14,061.87 and 4,990.86

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Solution

The fourth proportional to 9,370.32, 14,061.87 and 4,990.86 is: 7,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.32 : 14,061.87 = 4,990.86 : x
  2. Step 2: Convert to fraction form
    9,370.32/14,061.87 = 4,990.86/x
  3. Step 3: Cross multiply
    9,370.32x = 14,061.87 × 4,990.86
  4. Step 4: Simplify right side
    9,370.32x = 70,180,824.51
  5. Step 5: Solve for x
    x = 70,180,824.51/9,370.32
  6. Step 6: Final answer
    x = 7,489.69

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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.