Home / 7,029.74-10,545.20-2,870.03

Finding the Fourth Proportional to 7,029.74, 10,545.20 and 2,870.03

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Solution

The fourth proportional to 7,029.74, 10,545.20 and 2,870.03 is: 4,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.74 : 10,545.20 = 2,870.03 : x
  2. Step 2: Convert to fraction form
    7,029.74/10,545.20 = 2,870.03/x
  3. Step 3: Cross multiply
    7,029.74x = 10,545.20 × 2,870.03
  4. Step 4: Simplify right side
    7,029.74x = 30,265,040.36
  5. Step 5: Solve for x
    x = 30,265,040.36/7,029.74
  6. Step 6: Final answer
    x = 4,305.29

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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.