Home / 6,806.21-9,393.59-4,155.16

Finding the Fourth Proportional to 6,806.21, 9,393.59 and 4,155.16

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Solution

The fourth proportional to 6,806.21, 9,393.59 and 4,155.16 is: 5,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.21 : 9,393.59 = 4,155.16 : x
  2. Step 2: Convert to fraction form
    6,806.21/9,393.59 = 4,155.16/x
  3. Step 3: Cross multiply
    6,806.21x = 9,393.59 × 4,155.16
  4. Step 4: Simplify right side
    6,806.21x = 39,031,869.42
  5. Step 5: Solve for x
    x = 39,031,869.42/6,806.21
  6. Step 6: Final answer
    x = 5,734.74

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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.