Home / 5,089.40-7,634.10-1,800.70

Finding the Fourth Proportional to 5,089.40, 7,634.10 and 1,800.70

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Solution

The fourth proportional to 5,089.40, 7,634.10 and 1,800.70 is: 2,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.40 : 7,634.10 = 1,800.70 : x
  2. Step 2: Convert to fraction form
    5,089.40/7,634.10 = 1,800.70/x
  3. Step 3: Cross multiply
    5,089.40x = 7,634.10 × 1,800.70
  4. Step 4: Simplify right side
    5,089.40x = 13,746,723.87
  5. Step 5: Solve for x
    x = 13,746,723.87/5,089.40
  6. Step 6: Final answer
    x = 2,701.05

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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.