Home / 5,148.59-7,106.42-3,555.50

Finding the Fourth Proportional to 5,148.59, 7,106.42 and 3,555.50

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Solution

The fourth proportional to 5,148.59, 7,106.42 and 3,555.50 is: 4,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.59 : 7,106.42 = 3,555.50 : x
  2. Step 2: Convert to fraction form
    5,148.59/7,106.42 = 3,555.50/x
  3. Step 3: Cross multiply
    5,148.59x = 7,106.42 × 3,555.50
  4. Step 4: Simplify right side
    5,148.59x = 25,266,902.96
  5. Step 5: Solve for x
    x = 25,266,902.96/5,148.59
  6. Step 6: Final answer
    x = 4,907.54

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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.