Home / 5,556.40-8,336.08-1,660.84

Finding the Fourth Proportional to 5,556.40, 8,336.08 and 1,660.84

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Solution

The fourth proportional to 5,556.40, 8,336.08 and 1,660.84 is: 2,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.40 : 8,336.08 = 1,660.84 : x
  2. Step 2: Convert to fraction form
    5,556.40/8,336.08 = 1,660.84/x
  3. Step 3: Cross multiply
    5,556.40x = 8,336.08 × 1,660.84
  4. Step 4: Simplify right side
    5,556.40x = 13,844,895.11
  5. Step 5: Solve for x
    x = 13,844,895.11/5,556.40
  6. Step 6: Final answer
    x = 2,491.70

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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.