Home / 6,769.40-10,148.70-2,870.60

Finding the Fourth Proportional to 6,769.40, 10,148.70 and 2,870.60

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Solution

The fourth proportional to 6,769.40, 10,148.70 and 2,870.60 is: 4,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.40 : 10,148.70 = 2,870.60 : x
  2. Step 2: Convert to fraction form
    6,769.40/10,148.70 = 2,870.60/x
  3. Step 3: Cross multiply
    6,769.40x = 10,148.70 × 2,870.60
  4. Step 4: Simplify right side
    6,769.40x = 29,132,858.22
  5. Step 5: Solve for x
    x = 29,132,858.22/6,769.40
  6. Step 6: Final answer
    x = 4,303.61

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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.