Home / 5,260.39-7,889.20-2,486.32

Finding the Fourth Proportional to 5,260.39, 7,889.20 and 2,486.32

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Solution

The fourth proportional to 5,260.39, 7,889.20 and 2,486.32 is: 3,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.39 : 7,889.20 = 2,486.32 : x
  2. Step 2: Convert to fraction form
    5,260.39/7,889.20 = 2,486.32/x
  3. Step 3: Cross multiply
    5,260.39x = 7,889.20 × 2,486.32
  4. Step 4: Simplify right side
    5,260.39x = 19,615,075.74
  5. Step 5: Solve for x
    x = 19,615,075.74/5,260.39
  6. Step 6: Final answer
    x = 3,728.83

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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.