Home / 5,258.90-7,886.99-1,560.29

Finding the Fourth Proportional to 5,258.90, 7,886.99 and 1,560.29

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Solution

The fourth proportional to 5,258.90, 7,886.99 and 1,560.29 is: 2,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.90 : 7,886.99 = 1,560.29 : x
  2. Step 2: Convert to fraction form
    5,258.90/7,886.99 = 1,560.29/x
  3. Step 3: Cross multiply
    5,258.90x = 7,886.99 × 1,560.29
  4. Step 4: Simplify right side
    5,258.90x = 12,305,944.39
  5. Step 5: Solve for x
    x = 12,305,944.39/5,258.90
  6. Step 6: Final answer
    x = 2,340.02

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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.