Home / 5,268.96-7,271.48-3,030.78

Finding the Fourth Proportional to 5,268.96, 7,271.48 and 3,030.78

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Solution

The fourth proportional to 5,268.96, 7,271.48 and 3,030.78 is: 4,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.96 : 7,271.48 = 3,030.78 : x
  2. Step 2: Convert to fraction form
    5,268.96/7,271.48 = 3,030.78/x
  3. Step 3: Cross multiply
    5,268.96x = 7,271.48 × 3,030.78
  4. Step 4: Simplify right side
    5,268.96x = 22,038,264.58
  5. Step 5: Solve for x
    x = 22,038,264.58/5,268.96
  6. Step 6: Final answer
    x = 4,182.66

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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.