Home / 5,877.56-8,111.34-3,521.07

Finding the Fourth Proportional to 5,877.56, 8,111.34 and 3,521.07

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Solution

The fourth proportional to 5,877.56, 8,111.34 and 3,521.07 is: 4,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.56 : 8,111.34 = 3,521.07 : x
  2. Step 2: Convert to fraction form
    5,877.56/8,111.34 = 3,521.07/x
  3. Step 3: Cross multiply
    5,877.56x = 8,111.34 × 3,521.07
  4. Step 4: Simplify right side
    5,877.56x = 28,560,595.93
  5. Step 5: Solve for x
    x = 28,560,595.93/5,877.56
  6. Step 6: Final answer
    x = 4,859.26

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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.