Home / 7,824.85-11,737.47-2,630.72

Finding the Fourth Proportional to 7,824.85, 11,737.47 and 2,630.72

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Solution

The fourth proportional to 7,824.85, 11,737.47 and 2,630.72 is: 3,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.85 : 11,737.47 = 2,630.72 : x
  2. Step 2: Convert to fraction form
    7,824.85/11,737.47 = 2,630.72/x
  3. Step 3: Cross multiply
    7,824.85x = 11,737.47 × 2,630.72
  4. Step 4: Simplify right side
    7,824.85x = 30,878,026.42
  5. Step 5: Solve for x
    x = 30,878,026.42/7,824.85
  6. Step 6: Final answer
    x = 3,946.15

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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.