Home / 8,558.21-11,809.23-5,020.13

Finding the Fourth Proportional to 8,558.21, 11,809.23 and 5,020.13

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Solution

The fourth proportional to 8,558.21, 11,809.23 and 5,020.13 is: 6,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.21 : 11,809.23 = 5,020.13 : x
  2. Step 2: Convert to fraction form
    8,558.21/11,809.23 = 5,020.13/x
  3. Step 3: Cross multiply
    8,558.21x = 11,809.23 × 5,020.13
  4. Step 4: Simplify right side
    8,558.21x = 59,283,810.75
  5. Step 5: Solve for x
    x = 59,283,810.75/8,558.21
  6. Step 6: Final answer
    x = 6,927.13

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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.