Home / 5,260.32-7,258.32-3,021.60

Finding the Fourth Proportional to 5,260.32, 7,258.32 and 3,021.60

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Solution

The fourth proportional to 5,260.32, 7,258.32 and 3,021.60 is: 4,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.32 : 7,258.32 = 3,021.60 : x
  2. Step 2: Convert to fraction form
    5,260.32/7,258.32 = 3,021.60/x
  3. Step 3: Cross multiply
    5,260.32x = 7,258.32 × 3,021.60
  4. Step 4: Simplify right side
    5,260.32x = 21,931,739.71
  5. Step 5: Solve for x
    x = 21,931,739.71/5,260.32
  6. Step 6: Final answer
    x = 4,169.28

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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.