Home / 5,457.76-8,184.91-1,759.19

Finding the Fourth Proportional to 5,457.76, 8,184.91 and 1,759.19

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Solution

The fourth proportional to 5,457.76, 8,184.91 and 1,759.19 is: 2,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.76 : 8,184.91 = 1,759.19 : x
  2. Step 2: Convert to fraction form
    5,457.76/8,184.91 = 1,759.19/x
  3. Step 3: Cross multiply
    5,457.76x = 8,184.91 × 1,759.19
  4. Step 4: Simplify right side
    5,457.76x = 14,398,811.82
  5. Step 5: Solve for x
    x = 14,398,811.82/5,457.76
  6. Step 6: Final answer
    x = 2,638.23

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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.