Home / 7,390.50-11,074.16-4,271.97

Finding the Fourth Proportional to 7,390.50, 11,074.16 and 4,271.97

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Solution

The fourth proportional to 7,390.50, 11,074.16 and 4,271.97 is: 6,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.50 : 11,074.16 = 4,271.97 : x
  2. Step 2: Convert to fraction form
    7,390.50/11,074.16 = 4,271.97/x
  3. Step 3: Cross multiply
    7,390.50x = 11,074.16 × 4,271.97
  4. Step 4: Simplify right side
    7,390.50x = 47,308,416.41
  5. Step 5: Solve for x
    x = 47,308,416.41/7,390.50
  6. Step 6: Final answer
    x = 6,401.25

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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.