Home / 7,550.40-10,416.48-5,449.92

Finding the Fourth Proportional to 7,550.40, 10,416.48 and 5,449.92

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Solution

The fourth proportional to 7,550.40, 10,416.48 and 5,449.92 is: 7,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.40 : 10,416.48 = 5,449.92 : x
  2. Step 2: Convert to fraction form
    7,550.40/10,416.48 = 5,449.92/x
  3. Step 3: Cross multiply
    7,550.40x = 10,416.48 × 5,449.92
  4. Step 4: Simplify right side
    7,550.40x = 56,768,982.68
  5. Step 5: Solve for x
    x = 56,768,982.68/7,550.40
  6. Step 6: Final answer
    x = 7,518.67

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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.