Home / 8,437.37-12,663.78-4,280.26

Finding the Fourth Proportional to 8,437.37, 12,663.78 and 4,280.26

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Solution

The fourth proportional to 8,437.37, 12,663.78 and 4,280.26 is: 6,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.37 : 12,663.78 = 4,280.26 : x
  2. Step 2: Convert to fraction form
    8,437.37/12,663.78 = 4,280.26/x
  3. Step 3: Cross multiply
    8,437.37x = 12,663.78 × 4,280.26
  4. Step 4: Simplify right side
    8,437.37x = 54,204,270.98
  5. Step 5: Solve for x
    x = 54,204,270.98/8,437.37
  6. Step 6: Final answer
    x = 6,424.31

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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.