Home / 9,085.09-13,631.28-4,703.80

Finding the Fourth Proportional to 9,085.09, 13,631.28 and 4,703.80

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Solution

The fourth proportional to 9,085.09, 13,631.28 and 4,703.80 is: 7,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.09 : 13,631.28 = 4,703.80 : x
  2. Step 2: Convert to fraction form
    9,085.09/13,631.28 = 4,703.80/x
  3. Step 3: Cross multiply
    9,085.09x = 13,631.28 × 4,703.80
  4. Step 4: Simplify right side
    9,085.09x = 64,118,814.86
  5. Step 5: Solve for x
    x = 64,118,814.86/9,085.09
  6. Step 6: Final answer
    x = 7,057.59

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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.