Home / 7,599.60-11,399.40-7,271.55

Finding the Fourth Proportional to 7,599.60, 11,399.40 and 7,271.55

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Solution

The fourth proportional to 7,599.60, 11,399.40 and 7,271.55 is: 10,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.60 : 11,399.40 = 7,271.55 : x
  2. Step 2: Convert to fraction form
    7,599.60/11,399.40 = 7,271.55/x
  3. Step 3: Cross multiply
    7,599.60x = 11,399.40 × 7,271.55
  4. Step 4: Simplify right side
    7,599.60x = 82,891,307.07
  5. Step 5: Solve for x
    x = 82,891,307.07/7,599.60
  6. Step 6: Final answer
    x = 10,907.33

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Similar ratio
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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.