Home / 5,870.05-8,100.62-3,217.45

Finding the Fourth Proportional to 5,870.05, 8,100.62 and 3,217.45

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Solution

The fourth proportional to 5,870.05, 8,100.62 and 3,217.45 is: 4,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.05 : 8,100.62 = 3,217.45 : x
  2. Step 2: Convert to fraction form
    5,870.05/8,100.62 = 3,217.45/x
  3. Step 3: Cross multiply
    5,870.05x = 8,100.62 × 3,217.45
  4. Step 4: Simplify right side
    5,870.05x = 26,063,330.73
  5. Step 5: Solve for x
    x = 26,063,330.73/5,870.05
  6. Step 6: Final answer
    x = 4,440.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.