Home / 5,580.51-7,692.88-4,251.91

Finding the Fourth Proportional to 5,580.51, 7,692.88 and 4,251.91

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Solution

The fourth proportional to 5,580.51, 7,692.88 and 4,251.91 is: 5,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.51 : 7,692.88 = 4,251.91 : x
  2. Step 2: Convert to fraction form
    5,580.51/7,692.88 = 4,251.91/x
  3. Step 3: Cross multiply
    5,580.51x = 7,692.88 × 4,251.91
  4. Step 4: Simplify right side
    5,580.51x = 32,709,433.40
  5. Step 5: Solve for x
    x = 32,709,433.40/5,580.51
  6. Step 6: Final answer
    x = 5,861.37

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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.