Home / 5,290.65-7,302.02-3,052.15

Finding the Fourth Proportional to 5,290.65, 7,302.02 and 3,052.15

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Solution

The fourth proportional to 5,290.65, 7,302.02 and 3,052.15 is: 4,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.65 : 7,302.02 = 3,052.15 : x
  2. Step 2: Convert to fraction form
    5,290.65/7,302.02 = 3,052.15/x
  3. Step 3: Cross multiply
    5,290.65x = 7,302.02 × 3,052.15
  4. Step 4: Simplify right side
    5,290.65x = 22,286,826.83
  5. Step 5: Solve for x
    x = 22,286,826.83/5,290.65
  6. Step 6: Final answer
    x = 4,212.49

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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.