Home / 6,437.88-8,885.58-3,644.28

Finding the Fourth Proportional to 6,437.88, 8,885.58 and 3,644.28

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Solution

The fourth proportional to 6,437.88, 8,885.58 and 3,644.28 is: 5,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.88 : 8,885.58 = 3,644.28 : x
  2. Step 2: Convert to fraction form
    6,437.88/8,885.58 = 3,644.28/x
  3. Step 3: Cross multiply
    6,437.88x = 8,885.58 × 3,644.28
  4. Step 4: Simplify right side
    6,437.88x = 32,381,541.48
  5. Step 5: Solve for x
    x = 32,381,541.48/6,437.88
  6. Step 6: Final answer
    x = 5,029.85

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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.