Home / 5,507.05-8,260.59-3,870.92

Finding the Fourth Proportional to 5,507.05, 8,260.59 and 3,870.92

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Solution

The fourth proportional to 5,507.05, 8,260.59 and 3,870.92 is: 5,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.05 : 8,260.59 = 3,870.92 : x
  2. Step 2: Convert to fraction form
    5,507.05/8,260.59 = 3,870.92/x
  3. Step 3: Cross multiply
    5,507.05x = 8,260.59 × 3,870.92
  4. Step 4: Simplify right side
    5,507.05x = 31,976,041.74
  5. Step 5: Solve for x
    x = 31,976,041.74/5,507.05
  6. Step 6: Final answer
    x = 5,806.38

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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.