Home / 7,548.90-11,311.80-5,074.55

Finding the Fourth Proportional to 7,548.90, 11,311.80 and 5,074.55

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Solution

The fourth proportional to 7,548.90, 11,311.80 and 5,074.55 is: 7,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.90 : 11,311.80 = 5,074.55 : x
  2. Step 2: Convert to fraction form
    7,548.90/11,311.80 = 5,074.55/x
  3. Step 3: Cross multiply
    7,548.90x = 11,311.80 × 5,074.55
  4. Step 4: Simplify right side
    7,548.90x = 57,402,290.07
  5. Step 5: Solve for x
    x = 57,402,290.07/7,548.90
  6. Step 6: Final answer
    x = 7,604.06

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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.