Home / 8,437.37-11,639.84-5,453.46

Finding the Fourth Proportional to 8,437.37, 11,639.84 and 5,453.46

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Solution

The fourth proportional to 8,437.37, 11,639.84 and 5,453.46 is: 7,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.37 : 11,639.84 = 5,453.46 : x
  2. Step 2: Convert to fraction form
    8,437.37/11,639.84 = 5,453.46/x
  3. Step 3: Cross multiply
    8,437.37x = 11,639.84 × 5,453.46
  4. Step 4: Simplify right side
    8,437.37x = 63,477,374.58
  5. Step 5: Solve for x
    x = 63,477,374.58/8,437.37
  6. Step 6: Final answer
    x = 7,523.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.