Home / 5,313.89-7,970.84-2,539.93

Finding the Fourth Proportional to 5,313.89, 7,970.84 and 2,539.93

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Solution

The fourth proportional to 5,313.89, 7,970.84 and 2,539.93 is: 3,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.89 : 7,970.84 = 2,539.93 : x
  2. Step 2: Convert to fraction form
    5,313.89/7,970.84 = 2,539.93/x
  3. Step 3: Cross multiply
    5,313.89x = 7,970.84 × 2,539.93
  4. Step 4: Simplify right side
    5,313.89x = 20,245,362.06
  5. Step 5: Solve for x
    x = 20,245,362.06/5,313.89
  6. Step 6: Final answer
    x = 3,809.90

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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.