Home / 5,087.12-7,632.42-3,210.83

Finding the Fourth Proportional to 5,087.12, 7,632.42 and 3,210.83

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Solution

The fourth proportional to 5,087.12, 7,632.42 and 3,210.83 is: 4,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.12 : 7,632.42 = 3,210.83 : x
  2. Step 2: Convert to fraction form
    5,087.12/7,632.42 = 3,210.83/x
  3. Step 3: Cross multiply
    5,087.12x = 7,632.42 × 3,210.83
  4. Step 4: Simplify right side
    5,087.12x = 24,506,407.58
  5. Step 5: Solve for x
    x = 24,506,407.58/5,087.12
  6. Step 6: Final answer
    x = 4,817.34

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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.