Home / 7,764.63-11,648.76-2,570.50

Finding the Fourth Proportional to 7,764.63, 11,648.76 and 2,570.50

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Solution

The fourth proportional to 7,764.63, 11,648.76 and 2,570.50 is: 3,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.63 : 11,648.76 = 2,570.50 : x
  2. Step 2: Convert to fraction form
    7,764.63/11,648.76 = 2,570.50/x
  3. Step 3: Cross multiply
    7,764.63x = 11,648.76 × 2,570.50
  4. Step 4: Simplify right side
    7,764.63x = 29,943,137.58
  5. Step 5: Solve for x
    x = 29,943,137.58/7,764.63
  6. Step 6: Final answer
    x = 3,856.35

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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.