Home / 6,890.23-9,508.71-4,236.13

Finding the Fourth Proportional to 6,890.23, 9,508.71 and 4,236.13

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Solution

The fourth proportional to 6,890.23, 9,508.71 and 4,236.13 is: 5,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.23 : 9,508.71 = 4,236.13 : x
  2. Step 2: Convert to fraction form
    6,890.23/9,508.71 = 4,236.13/x
  3. Step 3: Cross multiply
    6,890.23x = 9,508.71 × 4,236.13
  4. Step 4: Simplify right side
    6,890.23x = 40,280,131.69
  5. Step 5: Solve for x
    x = 40,280,131.69/6,890.23
  6. Step 6: Final answer
    x = 5,845.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.