Home / 6,809.79-9,397.95-3,785.35

Finding the Fourth Proportional to 6,809.79, 9,397.95 and 3,785.35

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Solution

The fourth proportional to 6,809.79, 9,397.95 and 3,785.35 is: 5,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.79 : 9,397.95 = 3,785.35 : x
  2. Step 2: Convert to fraction form
    6,809.79/9,397.95 = 3,785.35/x
  3. Step 3: Cross multiply
    6,809.79x = 9,397.95 × 3,785.35
  4. Step 4: Simplify right side
    6,809.79x = 35,574,530.03
  5. Step 5: Solve for x
    x = 35,574,530.03/6,809.79
  6. Step 6: Final answer
    x = 5,224.03

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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.