Home / 5,655.36-8,484.48-1,759.80

Finding the Fourth Proportional to 5,655.36, 8,484.48 and 1,759.80

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Solution

The fourth proportional to 5,655.36, 8,484.48 and 1,759.80 is: 2,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.36 : 8,484.48 = 1,759.80 : x
  2. Step 2: Convert to fraction form
    5,655.36/8,484.48 = 1,759.80/x
  3. Step 3: Cross multiply
    5,655.36x = 8,484.48 × 1,759.80
  4. Step 4: Simplify right side
    5,655.36x = 14,930,987.90
  5. Step 5: Solve for x
    x = 14,930,987.90/5,655.36
  6. Step 6: Final answer
    x = 2,640.15

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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.