Home / 6,386.69-8,809.67-3,733.13

Finding the Fourth Proportional to 6,386.69, 8,809.67 and 3,733.13

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Solution

The fourth proportional to 6,386.69, 8,809.67 and 3,733.13 is: 5,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.69 : 8,809.67 = 3,733.13 : x
  2. Step 2: Convert to fraction form
    6,386.69/8,809.67 = 3,733.13/x
  3. Step 3: Cross multiply
    6,386.69x = 8,809.67 × 3,733.13
  4. Step 4: Simplify right side
    6,386.69x = 32,887,580.65
  5. Step 5: Solve for x
    x = 32,887,580.65/6,386.69
  6. Step 6: Final answer
    x = 5,149.40

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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.