Home / 8,437.31-12,646.37-3,750.28

Finding the Fourth Proportional to 8,437.31, 12,646.37 and 3,750.28

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Solution

The fourth proportional to 8,437.31, 12,646.37 and 3,750.28 is: 5,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.31 : 12,646.37 = 3,750.28 : x
  2. Step 2: Convert to fraction form
    8,437.31/12,646.37 = 3,750.28/x
  3. Step 3: Cross multiply
    8,437.31x = 12,646.37 × 3,750.28
  4. Step 4: Simplify right side
    8,437.31x = 47,427,409.73
  5. Step 5: Solve for x
    x = 47,427,409.73/8,437.31
  6. Step 6: Final answer
    x = 5,621.15

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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.