Home / 5,635.02-7,777.95-3,956.84

Finding the Fourth Proportional to 5,635.02, 7,777.95 and 3,956.84

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Solution

The fourth proportional to 5,635.02, 7,777.95 and 3,956.84 is: 5,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.02 : 7,777.95 = 3,956.84 : x
  2. Step 2: Convert to fraction form
    5,635.02/7,777.95 = 3,956.84/x
  3. Step 3: Cross multiply
    5,635.02x = 7,777.95 × 3,956.84
  4. Step 4: Simplify right side
    5,635.02x = 30,776,103.68
  5. Step 5: Solve for x
    x = 30,776,103.68/5,635.02
  6. Step 6: Final answer
    x = 5,461.58

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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.