Home / 8,501.70-12,756.34-4,339.52

Finding the Fourth Proportional to 8,501.70, 12,756.34 and 4,339.52

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Solution

The fourth proportional to 8,501.70, 12,756.34 and 4,339.52 is: 6,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.70 : 12,756.34 = 4,339.52 : x
  2. Step 2: Convert to fraction form
    8,501.70/12,756.34 = 4,339.52/x
  3. Step 3: Cross multiply
    8,501.70x = 12,756.34 × 4,339.52
  4. Step 4: Simplify right side
    8,501.70x = 55,356,392.56
  5. Step 5: Solve for x
    x = 55,356,392.56/8,501.70
  6. Step 6: Final answer
    x = 6,511.21

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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.