Home / 7,567.08-10,440.48-4,912.20

Finding the Fourth Proportional to 7,567.08, 10,440.48 and 4,912.20

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Solution

The fourth proportional to 7,567.08, 10,440.48 and 4,912.20 is: 6,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,567.08 : 10,440.48 = 4,912.20 : x
  2. Step 2: Convert to fraction form
    7,567.08/10,440.48 = 4,912.20/x
  3. Step 3: Cross multiply
    7,567.08x = 10,440.48 × 4,912.20
  4. Step 4: Simplify right side
    7,567.08x = 51,285,725.86
  5. Step 5: Solve for x
    x = 51,285,725.86/7,567.08
  6. Step 6: Final answer
    x = 6,777.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.