Home / 8,814.09-13,220.75-3,547.56

Finding the Fourth Proportional to 8,814.09, 13,220.75 and 3,547.56

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Solution

The fourth proportional to 8,814.09, 13,220.75 and 3,547.56 is: 5,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.09 : 13,220.75 = 3,547.56 : x
  2. Step 2: Convert to fraction form
    8,814.09/13,220.75 = 3,547.56/x
  3. Step 3: Cross multiply
    8,814.09x = 13,220.75 × 3,547.56
  4. Step 4: Simplify right side
    8,814.09x = 46,901,412.74
  5. Step 5: Solve for x
    x = 46,901,412.74/8,814.09
  6. Step 6: Final answer
    x = 5,321.19

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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.