Home / 5,260.08-7,258.52-2,902.20

Finding the Fourth Proportional to 5,260.08, 7,258.52 and 2,902.20

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Solution

The fourth proportional to 5,260.08, 7,258.52 and 2,902.20 is: 4,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.08 : 7,258.52 = 2,902.20 : x
  2. Step 2: Convert to fraction form
    5,260.08/7,258.52 = 2,902.20/x
  3. Step 3: Cross multiply
    5,260.08x = 7,258.52 × 2,902.20
  4. Step 4: Simplify right side
    5,260.08x = 21,065,676.74
  5. Step 5: Solve for x
    x = 21,065,676.74/5,260.08
  6. Step 6: Final answer
    x = 4,004.82

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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.