Home / 4,790.76-6,611.40-2,666.40

Finding the Fourth Proportional to 4,790.76, 6,611.40 and 2,666.40

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Solution

The fourth proportional to 4,790.76, 6,611.40 and 2,666.40 is: 3,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.76 : 6,611.40 = 2,666.40 : x
  2. Step 2: Convert to fraction form
    4,790.76/6,611.40 = 2,666.40/x
  3. Step 3: Cross multiply
    4,790.76x = 6,611.40 × 2,666.40
  4. Step 4: Simplify right side
    4,790.76x = 17,628,636.96
  5. Step 5: Solve for x
    x = 17,628,636.96/4,790.76
  6. Step 6: Final answer
    x = 3,679.72

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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.