Home / 6,848.67-10,271.42-1,918.81

Finding the Fourth Proportional to 6,848.67, 10,271.42 and 1,918.81

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Solution

The fourth proportional to 6,848.67, 10,271.42 and 1,918.81 is: 2,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,848.67 : 10,271.42 = 1,918.81 : x
  2. Step 2: Convert to fraction form
    6,848.67/10,271.42 = 1,918.81/x
  3. Step 3: Cross multiply
    6,848.67x = 10,271.42 × 1,918.81
  4. Step 4: Simplify right side
    6,848.67x = 19,708,866.87
  5. Step 5: Solve for x
    x = 19,708,866.87/6,848.67
  6. Step 6: Final answer
    x = 2,877.77

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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.