Home / 7,357.81-11,038.07-2,427.79

Finding the Fourth Proportional to 7,357.81, 11,038.07 and 2,427.79

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Solution

The fourth proportional to 7,357.81, 11,038.07 and 2,427.79 is: 3,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.81 : 11,038.07 = 2,427.79 : x
  2. Step 2: Convert to fraction form
    7,357.81/11,038.07 = 2,427.79/x
  3. Step 3: Cross multiply
    7,357.81x = 11,038.07 × 2,427.79
  4. Step 4: Simplify right side
    7,357.81x = 26,798,048.64
  5. Step 5: Solve for x
    x = 26,798,048.64/7,357.81
  6. Step 6: Final answer
    x = 3,642.13

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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.