Home / 4,690.81-7,038.15-2,056.95

Finding the Fourth Proportional to 4,690.81, 7,038.15 and 2,056.95

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Solution

The fourth proportional to 4,690.81, 7,038.15 and 2,056.95 is: 3,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.81 : 7,038.15 = 2,056.95 : x
  2. Step 2: Convert to fraction form
    4,690.81/7,038.15 = 2,056.95/x
  3. Step 3: Cross multiply
    4,690.81x = 7,038.15 × 2,056.95
  4. Step 4: Simplify right side
    4,690.81x = 14,477,122.64
  5. Step 5: Solve for x
    x = 14,477,122.64/4,690.81
  6. Step 6: Final answer
    x = 3,086.28

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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.