Home / 6,374.21-8,774.58-5,529.95

Finding the Fourth Proportional to 6,374.21, 8,774.58 and 5,529.95

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Solution

The fourth proportional to 6,374.21, 8,774.58 and 5,529.95 is: 7,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.21 : 8,774.58 = 5,529.95 : x
  2. Step 2: Convert to fraction form
    6,374.21/8,774.58 = 5,529.95/x
  3. Step 3: Cross multiply
    6,374.21x = 8,774.58 × 5,529.95
  4. Step 4: Simplify right side
    6,374.21x = 48,522,917.15
  5. Step 5: Solve for x
    x = 48,522,917.15/6,374.21
  6. Step 6: Final answer
    x = 7,612.38

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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.