Home / 5,240.15-7,859.61-1,952.87

Finding the Fourth Proportional to 5,240.15, 7,859.61 and 1,952.87

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Solution

The fourth proportional to 5,240.15, 7,859.61 and 1,952.87 is: 2,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.15 : 7,859.61 = 1,952.87 : x
  2. Step 2: Convert to fraction form
    5,240.15/7,859.61 = 1,952.87/x
  3. Step 3: Cross multiply
    5,240.15x = 7,859.61 × 1,952.87
  4. Step 4: Simplify right side
    5,240.15x = 15,348,816.23
  5. Step 5: Solve for x
    x = 15,348,816.23/5,240.15
  6. Step 6: Final answer
    x = 2,929.08

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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.