Home / 5,572.79-7,690.49-3,214.98

Finding the Fourth Proportional to 5,572.79, 7,690.49 and 3,214.98

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Solution

The fourth proportional to 5,572.79, 7,690.49 and 3,214.98 is: 4,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.79 : 7,690.49 = 3,214.98 : x
  2. Step 2: Convert to fraction form
    5,572.79/7,690.49 = 3,214.98/x
  3. Step 3: Cross multiply
    5,572.79x = 7,690.49 × 3,214.98
  4. Step 4: Simplify right side
    5,572.79x = 24,724,755.47
  5. Step 5: Solve for x
    x = 24,724,755.47/5,572.79
  6. Step 6: Final answer
    x = 4,436.70

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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.