Home / 4,478.58-6,720.93-1,556.88

Finding the Fourth Proportional to 4,478.58, 6,720.93 and 1,556.88

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Solution

The fourth proportional to 4,478.58, 6,720.93 and 1,556.88 is: 2,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.58 : 6,720.93 = 1,556.88 : x
  2. Step 2: Convert to fraction form
    4,478.58/6,720.93 = 1,556.88/x
  3. Step 3: Cross multiply
    4,478.58x = 6,720.93 × 1,556.88
  4. Step 4: Simplify right side
    4,478.58x = 10,463,681.50
  5. Step 5: Solve for x
    x = 10,463,681.50/4,478.58
  6. Step 6: Final answer
    x = 2,336.38

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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.