Home / 9,055.65-13,579.83-3,787.20

Finding the Fourth Proportional to 9,055.65, 13,579.83 and 3,787.20

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Solution

The fourth proportional to 9,055.65, 13,579.83 and 3,787.20 is: 5,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.65 : 13,579.83 = 3,787.20 : x
  2. Step 2: Convert to fraction form
    9,055.65/13,579.83 = 3,787.20/x
  3. Step 3: Cross multiply
    9,055.65x = 13,579.83 × 3,787.20
  4. Step 4: Simplify right side
    9,055.65x = 51,429,532.18
  5. Step 5: Solve for x
    x = 51,429,532.18/9,055.65
  6. Step 6: Final answer
    x = 5,679.28

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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.