Home / 4,705.73-7,058.61-2,105.63

Finding the Fourth Proportional to 4,705.73, 7,058.61 and 2,105.63

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Solution

The fourth proportional to 4,705.73, 7,058.61 and 2,105.63 is: 3,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.73 : 7,058.61 = 2,105.63 : x
  2. Step 2: Convert to fraction form
    4,705.73/7,058.61 = 2,105.63/x
  3. Step 3: Cross multiply
    4,705.73x = 7,058.61 × 2,105.63
  4. Step 4: Simplify right side
    4,705.73x = 14,862,812.15
  5. Step 5: Solve for x
    x = 14,862,812.15/4,705.73
  6. Step 6: Final answer
    x = 3,158.45

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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.