Home / 6,938.35-9,574.27-3,954.85

Finding the Fourth Proportional to 6,938.35, 9,574.27 and 3,954.85

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Solution

The fourth proportional to 6,938.35, 9,574.27 and 3,954.85 is: 5,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.35 : 9,574.27 = 3,954.85 : x
  2. Step 2: Convert to fraction form
    6,938.35/9,574.27 = 3,954.85/x
  3. Step 3: Cross multiply
    6,938.35x = 9,574.27 × 3,954.85
  4. Step 4: Simplify right side
    6,938.35x = 37,864,801.71
  5. Step 5: Solve for x
    x = 37,864,801.71/6,938.35
  6. Step 6: Final answer
    x = 5,457.32

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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.