Home / 5,653.04-8,480.40-1,757.76

Finding the Fourth Proportional to 5,653.04, 8,480.40 and 1,757.76

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Solution

The fourth proportional to 5,653.04, 8,480.40 and 1,757.76 is: 2,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.04 : 8,480.40 = 1,757.76 : x
  2. Step 2: Convert to fraction form
    5,653.04/8,480.40 = 1,757.76/x
  3. Step 3: Cross multiply
    5,653.04x = 8,480.40 × 1,757.76
  4. Step 4: Simplify right side
    5,653.04x = 14,906,507.90
  5. Step 5: Solve for x
    x = 14,906,507.90/5,653.04
  6. Step 6: Final answer
    x = 2,636.90

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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.