Home / 5,259.58-7,887.06-1,970.37

Finding the Fourth Proportional to 5,259.58, 7,887.06 and 1,970.37

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Solution

The fourth proportional to 5,259.58, 7,887.06 and 1,970.37 is: 2,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.58 : 7,887.06 = 1,970.37 : x
  2. Step 2: Convert to fraction form
    5,259.58/7,887.06 = 1,970.37/x
  3. Step 3: Cross multiply
    5,259.58x = 7,887.06 × 1,970.37
  4. Step 4: Simplify right side
    5,259.58x = 15,540,426.41
  5. Step 5: Solve for x
    x = 15,540,426.41/5,259.58
  6. Step 6: Final answer
    x = 2,954.69

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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.