Home / 4,679.36-7,020.32-1,904.32

Finding the Fourth Proportional to 4,679.36, 7,020.32 and 1,904.32

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Solution

The fourth proportional to 4,679.36, 7,020.32 and 1,904.32 is: 2,857.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.36 : 7,020.32 = 1,904.32 : x
  2. Step 2: Convert to fraction form
    4,679.36/7,020.32 = 1,904.32/x
  3. Step 3: Cross multiply
    4,679.36x = 7,020.32 × 1,904.32
  4. Step 4: Simplify right side
    4,679.36x = 13,368,935.78
  5. Step 5: Solve for x
    x = 13,368,935.78/4,679.36
  6. Step 6: Final answer
    x = 2,857.00

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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.