Home / 7,845.85-10,827.03-4,308.99

Finding the Fourth Proportional to 7,845.85, 10,827.03 and 4,308.99

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Solution

The fourth proportional to 7,845.85, 10,827.03 and 4,308.99 is: 5,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.85 : 10,827.03 = 4,308.99 : x
  2. Step 2: Convert to fraction form
    7,845.85/10,827.03 = 4,308.99/x
  3. Step 3: Cross multiply
    7,845.85x = 10,827.03 × 4,308.99
  4. Step 4: Simplify right side
    7,845.85x = 46,653,564.00
  5. Step 5: Solve for x
    x = 46,653,564.00/7,845.85
  6. Step 6: Final answer
    x = 5,946.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.