Home / 8,557.70-11,809.53-5,020.23

Finding the Fourth Proportional to 8,557.70, 11,809.53 and 5,020.23

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Solution

The fourth proportional to 8,557.70, 11,809.53 and 5,020.23 is: 6,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.70 : 11,809.53 = 5,020.23 : x
  2. Step 2: Convert to fraction form
    8,557.70/11,809.53 = 5,020.23/x
  3. Step 3: Cross multiply
    8,557.70x = 11,809.53 × 5,020.23
  4. Step 4: Simplify right side
    8,557.70x = 59,286,556.79
  5. Step 5: Solve for x
    x = 59,286,556.79/8,557.70
  6. Step 6: Final answer
    x = 6,927.86

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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.