Home / 7,133.81-10,701.32-1,868.79

Finding the Fourth Proportional to 7,133.81, 10,701.32 and 1,868.79

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Solution

The fourth proportional to 7,133.81, 10,701.32 and 1,868.79 is: 2,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.81 : 10,701.32 = 1,868.79 : x
  2. Step 2: Convert to fraction form
    7,133.81/10,701.32 = 1,868.79/x
  3. Step 3: Cross multiply
    7,133.81x = 10,701.32 × 1,868.79
  4. Step 4: Simplify right side
    7,133.81x = 19,998,550.59
  5. Step 5: Solve for x
    x = 19,998,550.59/7,133.81
  6. Step 6: Final answer
    x = 2,803.35

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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.