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Finding the Fourth Proportional to 4,692.47, 7,040.12 and 2,058.89

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Solution

The fourth proportional to 4,692.47, 7,040.12 and 2,058.89 is: 3,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.47 : 7,040.12 = 2,058.89 : x
  2. Step 2: Convert to fraction form
    4,692.47/7,040.12 = 2,058.89/x
  3. Step 3: Cross multiply
    4,692.47x = 7,040.12 × 2,058.89
  4. Step 4: Simplify right side
    4,692.47x = 14,494,787.17
  5. Step 5: Solve for x
    x = 14,494,787.17/4,692.47
  6. Step 6: Final answer
    x = 3,088.95

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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.