Home / 5,129.92-7,692.85-2,356.08

Finding the Fourth Proportional to 5,129.92, 7,692.85 and 2,356.08

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Solution

The fourth proportional to 5,129.92, 7,692.85 and 2,356.08 is: 3,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.92 : 7,692.85 = 2,356.08 : x
  2. Step 2: Convert to fraction form
    5,129.92/7,692.85 = 2,356.08/x
  3. Step 3: Cross multiply
    5,129.92x = 7,692.85 × 2,356.08
  4. Step 4: Simplify right side
    5,129.92x = 18,124,970.03
  5. Step 5: Solve for x
    x = 18,124,970.03/5,129.92
  6. Step 6: Final answer
    x = 3,533.19

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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.