Home / 4,725.30-7,088.13-1,605.45

Finding the Fourth Proportional to 4,725.30, 7,088.13 and 1,605.45

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Solution

The fourth proportional to 4,725.30, 7,088.13 and 1,605.45 is: 2,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.30 : 7,088.13 = 1,605.45 : x
  2. Step 2: Convert to fraction form
    4,725.30/7,088.13 = 1,605.45/x
  3. Step 3: Cross multiply
    4,725.30x = 7,088.13 × 1,605.45
  4. Step 4: Simplify right side
    4,725.30x = 11,379,638.31
  5. Step 5: Solve for x
    x = 11,379,638.31/4,725.30
  6. Step 6: Final answer
    x = 2,408.24

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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.