Home / 7,023.22-10,535.55-2,639.50

Finding the Fourth Proportional to 7,023.22, 10,535.55 and 2,639.50

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Solution

The fourth proportional to 7,023.22, 10,535.55 and 2,639.50 is: 3,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.22 : 10,535.55 = 2,639.50 : x
  2. Step 2: Convert to fraction form
    7,023.22/10,535.55 = 2,639.50/x
  3. Step 3: Cross multiply
    7,023.22x = 10,535.55 × 2,639.50
  4. Step 4: Simplify right side
    7,023.22x = 27,808,584.23
  5. Step 5: Solve for x
    x = 27,808,584.23/7,023.22
  6. Step 6: Final answer
    x = 3,959.52

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1.5x scale

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.