Home / 5,659.04-8,489.40-1,763.76

Finding the Fourth Proportional to 5,659.04, 8,489.40 and 1,763.76

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Solution

The fourth proportional to 5,659.04, 8,489.40 and 1,763.76 is: 2,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.04 : 8,489.40 = 1,763.76 : x
  2. Step 2: Convert to fraction form
    5,659.04/8,489.40 = 1,763.76/x
  3. Step 3: Cross multiply
    5,659.04x = 8,489.40 × 1,763.76
  4. Step 4: Simplify right side
    5,659.04x = 14,973,264.14
  5. Step 5: Solve for x
    x = 14,973,264.14/5,659.04
  6. Step 6: Final answer
    x = 2,645.90

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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.