Home / 7,388.32-10,199.65-5,705.95

Finding the Fourth Proportional to 7,388.32, 10,199.65 and 5,705.95

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Solution

The fourth proportional to 7,388.32, 10,199.65 and 5,705.95 is: 7,877.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.32 : 10,199.65 = 5,705.95 : x
  2. Step 2: Convert to fraction form
    7,388.32/10,199.65 = 5,705.95/x
  3. Step 3: Cross multiply
    7,388.32x = 10,199.65 × 5,705.95
  4. Step 4: Simplify right side
    7,388.32x = 58,198,692.92
  5. Step 5: Solve for x
    x = 58,198,692.92/7,388.32
  6. Step 6: Final answer
    x = 7,877.12

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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.