Home / 6,813.54-10,190.49-6,315.39

Finding the Fourth Proportional to 6,813.54, 10,190.49 and 6,315.39

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Solution

The fourth proportional to 6,813.54, 10,190.49 and 6,315.39 is: 9,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.54 : 10,190.49 = 6,315.39 : x
  2. Step 2: Convert to fraction form
    6,813.54/10,190.49 = 6,315.39/x
  3. Step 3: Cross multiply
    6,813.54x = 10,190.49 × 6,315.39
  4. Step 4: Simplify right side
    6,813.54x = 64,356,918.64
  5. Step 5: Solve for x
    x = 64,356,918.64/6,813.54
  6. Step 6: Final answer
    x = 9,445.45

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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.