Home / 7,106.07-10,655.87-4,185.21

Finding the Fourth Proportional to 7,106.07, 10,655.87 and 4,185.21

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Solution

The fourth proportional to 7,106.07, 10,655.87 and 4,185.21 is: 6,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.07 : 10,655.87 = 4,185.21 : x
  2. Step 2: Convert to fraction form
    7,106.07/10,655.87 = 4,185.21/x
  3. Step 3: Cross multiply
    7,106.07x = 10,655.87 × 4,185.21
  4. Step 4: Simplify right side
    7,106.07x = 44,597,032.76
  5. Step 5: Solve for x
    x = 44,597,032.76/7,106.07
  6. Step 6: Final answer
    x = 6,275.91

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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.