Home / 7,020.63-10,531.55-1,826.50

Finding the Fourth Proportional to 7,020.63, 10,531.55 and 1,826.50

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Solution

The fourth proportional to 7,020.63, 10,531.55 and 1,826.50 is: 2,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.63 : 10,531.55 = 1,826.50 : x
  2. Step 2: Convert to fraction form
    7,020.63/10,531.55 = 1,826.50/x
  3. Step 3: Cross multiply
    7,020.63x = 10,531.55 × 1,826.50
  4. Step 4: Simplify right side
    7,020.63x = 19,235,876.08
  5. Step 5: Solve for x
    x = 19,235,876.08/7,020.63
  6. Step 6: Final answer
    x = 2,739.91

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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.