Home / 6,946.90-9,586.63-3,962.78

Finding the Fourth Proportional to 6,946.90, 9,586.63 and 3,962.78

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Solution

The fourth proportional to 6,946.90, 9,586.63 and 3,962.78 is: 5,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.90 : 9,586.63 = 3,962.78 : x
  2. Step 2: Convert to fraction form
    6,946.90/9,586.63 = 3,962.78/x
  3. Step 3: Cross multiply
    6,946.90x = 9,586.63 × 3,962.78
  4. Step 4: Simplify right side
    6,946.90x = 37,989,705.63
  5. Step 5: Solve for x
    x = 37,989,705.63/6,946.90
  6. Step 6: Final answer
    x = 5,468.58

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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.