Home / 7,870.36-11,799.04-3,708.24

Finding the Fourth Proportional to 7,870.36, 11,799.04 and 3,708.24

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Solution

The fourth proportional to 7,870.36, 11,799.04 and 3,708.24 is: 5,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.36 : 11,799.04 = 3,708.24 : x
  2. Step 2: Convert to fraction form
    7,870.36/11,799.04 = 3,708.24/x
  3. Step 3: Cross multiply
    7,870.36x = 11,799.04 × 3,708.24
  4. Step 4: Simplify right side
    7,870.36x = 43,753,672.09
  5. Step 5: Solve for x
    x = 43,753,672.09/7,870.36
  6. Step 6: Final answer
    x = 5,559.30

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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.