Home / 5,246.79-7,240.56-2,888.93

Finding the Fourth Proportional to 5,246.79, 7,240.56 and 2,888.93

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Solution

The fourth proportional to 5,246.79, 7,240.56 and 2,888.93 is: 3,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.79 : 7,240.56 = 2,888.93 : x
  2. Step 2: Convert to fraction form
    5,246.79/7,240.56 = 2,888.93/x
  3. Step 3: Cross multiply
    5,246.79x = 7,240.56 × 2,888.93
  4. Step 4: Simplify right side
    5,246.79x = 20,917,456.56
  5. Step 5: Solve for x
    x = 20,917,456.56/5,246.79
  6. Step 6: Final answer
    x = 3,986.72

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1.5x scale

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.