Home / 6,551.81-9,828.07-1,871.45

Finding the Fourth Proportional to 6,551.81, 9,828.07 and 1,871.45

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Solution

The fourth proportional to 6,551.81, 9,828.07 and 1,871.45 is: 2,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.81 : 9,828.07 = 1,871.45 : x
  2. Step 2: Convert to fraction form
    6,551.81/9,828.07 = 1,871.45/x
  3. Step 3: Cross multiply
    6,551.81x = 9,828.07 × 1,871.45
  4. Step 4: Simplify right side
    6,551.81x = 18,392,741.60
  5. Step 5: Solve for x
    x = 18,392,741.60/6,551.81
  6. Step 6: Final answer
    x = 2,807.28

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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.