Home / 6,900.36-10,348.98-1,969.89

Finding the Fourth Proportional to 6,900.36, 10,348.98 and 1,969.89

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Solution

The fourth proportional to 6,900.36, 10,348.98 and 1,969.89 is: 2,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.36 : 10,348.98 = 1,969.89 : x
  2. Step 2: Convert to fraction form
    6,900.36/10,348.98 = 1,969.89/x
  3. Step 3: Cross multiply
    6,900.36x = 10,348.98 × 1,969.89
  4. Step 4: Simplify right side
    6,900.36x = 20,386,352.21
  5. Step 5: Solve for x
    x = 20,386,352.21/6,900.36
  6. Step 6: Final answer
    x = 2,954.39

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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.