Home / 5,246.91-7,870.52-1,959.35

Finding the Fourth Proportional to 5,246.91, 7,870.52 and 1,959.35

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Solution

The fourth proportional to 5,246.91, 7,870.52 and 1,959.35 is: 2,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.91 : 7,870.52 = 1,959.35 : x
  2. Step 2: Convert to fraction form
    5,246.91/7,870.52 = 1,959.35/x
  3. Step 3: Cross multiply
    5,246.91x = 7,870.52 × 1,959.35
  4. Step 4: Simplify right side
    5,246.91x = 15,421,103.36
  5. Step 5: Solve for x
    x = 15,421,103.36/5,246.91
  6. Step 6: Final answer
    x = 2,939.08

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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.