Home / 4,671.20-7,009.02-2,915.73

Finding the Fourth Proportional to 4,671.20, 7,009.02 and 2,915.73

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Solution

The fourth proportional to 4,671.20, 7,009.02 and 2,915.73 is: 4,374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.20 : 7,009.02 = 2,915.73 : x
  2. Step 2: Convert to fraction form
    4,671.20/7,009.02 = 2,915.73/x
  3. Step 3: Cross multiply
    4,671.20x = 7,009.02 × 2,915.73
  4. Step 4: Simplify right side
    4,671.20x = 20,436,409.88
  5. Step 5: Solve for x
    x = 20,436,409.88/4,671.20
  6. Step 6: Final answer
    x = 4,374.99

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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.