Home / 5,556.79-7,666.14-3,197.67

Finding the Fourth Proportional to 5,556.79, 7,666.14 and 3,197.67

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Solution

The fourth proportional to 5,556.79, 7,666.14 and 3,197.67 is: 4,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.79 : 7,666.14 = 3,197.67 : x
  2. Step 2: Convert to fraction form
    5,556.79/7,666.14 = 3,197.67/x
  3. Step 3: Cross multiply
    5,556.79x = 7,666.14 × 3,197.67
  4. Step 4: Simplify right side
    5,556.79x = 24,513,785.89
  5. Step 5: Solve for x
    x = 24,513,785.89/5,556.79
  6. Step 6: Final answer
    x = 4,411.50

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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.