Home / 7,020.02-10,529.80-2,089.69

Finding the Fourth Proportional to 7,020.02, 10,529.80 and 2,089.69

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Solution

The fourth proportional to 7,020.02, 10,529.80 and 2,089.69 is: 3,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.02 : 10,529.80 = 2,089.69 : x
  2. Step 2: Convert to fraction form
    7,020.02/10,529.80 = 2,089.69/x
  3. Step 3: Cross multiply
    7,020.02x = 10,529.80 × 2,089.69
  4. Step 4: Simplify right side
    7,020.02x = 22,003,986.21
  5. Step 5: Solve for x
    x = 22,003,986.21/7,020.02
  6. Step 6: Final answer
    x = 3,134.46

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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.