Home / 6,945.69-10,420.35-2,563.17

Finding the Fourth Proportional to 6,945.69, 10,420.35 and 2,563.17

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Solution

The fourth proportional to 6,945.69, 10,420.35 and 2,563.17 is: 3,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.69 : 10,420.35 = 2,563.17 : x
  2. Step 2: Convert to fraction form
    6,945.69/10,420.35 = 2,563.17/x
  3. Step 3: Cross multiply
    6,945.69x = 10,420.35 × 2,563.17
  4. Step 4: Simplify right side
    6,945.69x = 26,709,128.51
  5. Step 5: Solve for x
    x = 26,709,128.51/6,945.69
  6. Step 6: Final answer
    x = 3,845.42

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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.