Home / 7,740.74-11,611.15-1,897.36

Finding the Fourth Proportional to 7,740.74, 11,611.15 and 1,897.36

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Solution

The fourth proportional to 7,740.74, 11,611.15 and 1,897.36 is: 2,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.74 : 11,611.15 = 1,897.36 : x
  2. Step 2: Convert to fraction form
    7,740.74/11,611.15 = 1,897.36/x
  3. Step 3: Cross multiply
    7,740.74x = 11,611.15 × 1,897.36
  4. Step 4: Simplify right side
    7,740.74x = 22,030,497.79
  5. Step 5: Solve for x
    x = 22,030,497.79/7,740.74
  6. Step 6: Final answer
    x = 2,846.04

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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.