Home / 8,719.42-13,077.73-3,787.74

Finding the Fourth Proportional to 8,719.42, 13,077.73 and 3,787.74

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Solution

The fourth proportional to 8,719.42, 13,077.73 and 3,787.74 is: 5,681.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.42 : 13,077.73 = 3,787.74 : x
  2. Step 2: Convert to fraction form
    8,719.42/13,077.73 = 3,787.74/x
  3. Step 3: Cross multiply
    8,719.42x = 13,077.73 × 3,787.74
  4. Step 4: Simplify right side
    8,719.42x = 49,535,041.03
  5. Step 5: Solve for x
    x = 49,535,041.03/8,719.42
  6. Step 6: Final answer
    x = 5,681.00

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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.