Home / 5,258.12-7,887.06-1,309.36

Finding the Fourth Proportional to 5,258.12, 7,887.06 and 1,309.36

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Solution

The fourth proportional to 5,258.12, 7,887.06 and 1,309.36 is: 1,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.12 : 7,887.06 = 1,309.36 : x
  2. Step 2: Convert to fraction form
    5,258.12/7,887.06 = 1,309.36/x
  3. Step 3: Cross multiply
    5,258.12x = 7,887.06 × 1,309.36
  4. Step 4: Simplify right side
    5,258.12x = 10,327,000.88
  5. Step 5: Solve for x
    x = 10,327,000.88/5,258.12
  6. Step 6: Final answer
    x = 1,964.01

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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.