Home / 9,285.85-13,924.86-3,946.87

Finding the Fourth Proportional to 9,285.85, 13,924.86 and 3,946.87

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Solution

The fourth proportional to 9,285.85, 13,924.86 and 3,946.87 is: 5,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.85 : 13,924.86 = 3,946.87 : x
  2. Step 2: Convert to fraction form
    9,285.85/13,924.86 = 3,946.87/x
  3. Step 3: Cross multiply
    9,285.85x = 13,924.86 × 3,946.87
  4. Step 4: Simplify right side
    9,285.85x = 54,959,612.19
  5. Step 5: Solve for x
    x = 54,959,612.19/9,285.85
  6. Step 6: Final answer
    x = 5,918.64

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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.