Home / 6,750.27-10,120.14-4,284.63

Finding the Fourth Proportional to 6,750.27, 10,120.14 and 4,284.63

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Solution

The fourth proportional to 6,750.27, 10,120.14 and 4,284.63 is: 6,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.27 : 10,120.14 = 4,284.63 : x
  2. Step 2: Convert to fraction form
    6,750.27/10,120.14 = 4,284.63/x
  3. Step 3: Cross multiply
    6,750.27x = 10,120.14 × 4,284.63
  4. Step 4: Simplify right side
    6,750.27x = 43,361,055.45
  5. Step 5: Solve for x
    x = 43,361,055.45/6,750.27
  6. Step 6: Final answer
    x = 6,423.60

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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.