Home / 7,205.40-10,782.36-4,432.68

Finding the Fourth Proportional to 7,205.40, 10,782.36 and 4,432.68

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Solution

The fourth proportional to 7,205.40, 10,782.36 and 4,432.68 is: 6,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.40 : 10,782.36 = 4,432.68 : x
  2. Step 2: Convert to fraction form
    7,205.40/10,782.36 = 4,432.68/x
  3. Step 3: Cross multiply
    7,205.40x = 10,782.36 × 4,432.68
  4. Step 4: Simplify right side
    7,205.40x = 47,794,751.52
  5. Step 5: Solve for x
    x = 47,794,751.52/7,205.40
  6. Step 6: Final answer
    x = 6,633.19

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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.