Home / 5,328.07-7,352.80-2,938.05

Finding the Fourth Proportional to 5,328.07, 7,352.80 and 2,938.05

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Solution

The fourth proportional to 5,328.07, 7,352.80 and 2,938.05 is: 4,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.07 : 7,352.80 = 2,938.05 : x
  2. Step 2: Convert to fraction form
    5,328.07/7,352.80 = 2,938.05/x
  3. Step 3: Cross multiply
    5,328.07x = 7,352.80 × 2,938.05
  4. Step 4: Simplify right side
    5,328.07x = 21,602,900.48
  5. Step 5: Solve for x
    x = 21,602,900.48/5,328.07
  6. Step 6: Final answer
    x = 4,054.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.