Home / 5,240.87-7,859.63-1,730.23

Finding the Fourth Proportional to 5,240.87, 7,859.63 and 1,730.23

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Solution

The fourth proportional to 5,240.87, 7,859.63 and 1,730.23 is: 2,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.87 : 7,859.63 = 1,730.23 : x
  2. Step 2: Convert to fraction form
    5,240.87/7,859.63 = 1,730.23/x
  3. Step 3: Cross multiply
    5,240.87x = 7,859.63 × 1,730.23
  4. Step 4: Simplify right side
    5,240.87x = 13,598,928.32
  5. Step 5: Solve for x
    x = 13,598,928.32/5,240.87
  6. Step 6: Final answer
    x = 2,594.78

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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.