Home / 6,785.72-9,364.02-3,953.18

Finding the Fourth Proportional to 6,785.72, 9,364.02 and 3,953.18

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Solution

The fourth proportional to 6,785.72, 9,364.02 and 3,953.18 is: 5,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.72 : 9,364.02 = 3,953.18 : x
  2. Step 2: Convert to fraction form
    6,785.72/9,364.02 = 3,953.18/x
  3. Step 3: Cross multiply
    6,785.72x = 9,364.02 × 3,953.18
  4. Step 4: Simplify right side
    6,785.72x = 37,017,656.58
  5. Step 5: Solve for x
    x = 37,017,656.58/6,785.72
  6. Step 6: Final answer
    x = 5,455.23

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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.