Home / 5,292.60-7,936.74-1,829.40

Finding the Fourth Proportional to 5,292.60, 7,936.74 and 1,829.40

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Solution

The fourth proportional to 5,292.60, 7,936.74 and 1,829.40 is: 2,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.60 : 7,936.74 = 1,829.40 : x
  2. Step 2: Convert to fraction form
    5,292.60/7,936.74 = 1,829.40/x
  3. Step 3: Cross multiply
    5,292.60x = 7,936.74 × 1,829.40
  4. Step 4: Simplify right side
    5,292.60x = 14,519,472.16
  5. Step 5: Solve for x
    x = 14,519,472.16/5,292.60
  6. Step 6: Final answer
    x = 2,743.35

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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.