Home / 7,020.58-10,530.42-2,637.70

Finding the Fourth Proportional to 7,020.58, 10,530.42 and 2,637.70

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Solution

The fourth proportional to 7,020.58, 10,530.42 and 2,637.70 is: 3,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.58 : 10,530.42 = 2,637.70 : x
  2. Step 2: Convert to fraction form
    7,020.58/10,530.42 = 2,637.70/x
  3. Step 3: Cross multiply
    7,020.58x = 10,530.42 × 2,637.70
  4. Step 4: Simplify right side
    7,020.58x = 27,776,088.83
  5. Step 5: Solve for x
    x = 27,776,088.83/7,020.58
  6. Step 6: Final answer
    x = 3,956.38

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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.