Home / 7,038.80-10,537.16-4,257.05

Finding the Fourth Proportional to 7,038.80, 10,537.16 and 4,257.05

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Solution

The fourth proportional to 7,038.80, 10,537.16 and 4,257.05 is: 6,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.80 : 10,537.16 = 4,257.05 : x
  2. Step 2: Convert to fraction form
    7,038.80/10,537.16 = 4,257.05/x
  3. Step 3: Cross multiply
    7,038.80x = 10,537.16 × 4,257.05
  4. Step 4: Simplify right side
    7,038.80x = 44,857,238.00
  5. Step 5: Solve for x
    x = 44,857,238.00/7,038.80
  6. Step 6: Final answer
    x = 6,372.86

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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.