Home / 5,581.74-8,371.26-1,686.45

Finding the Fourth Proportional to 5,581.74, 8,371.26 and 1,686.45

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Solution

The fourth proportional to 5,581.74, 8,371.26 and 1,686.45 is: 2,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.74 : 8,371.26 = 1,686.45 : x
  2. Step 2: Convert to fraction form
    5,581.74/8,371.26 = 1,686.45/x
  3. Step 3: Cross multiply
    5,581.74x = 8,371.26 × 1,686.45
  4. Step 4: Simplify right side
    5,581.74x = 14,117,711.43
  5. Step 5: Solve for x
    x = 14,117,711.43/5,581.74
  6. Step 6: Final answer
    x = 2,529.27

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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.