Home / 5,074.36-7,611.51-1,787.06

Finding the Fourth Proportional to 5,074.36, 7,611.51 and 1,787.06

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Solution

The fourth proportional to 5,074.36, 7,611.51 and 1,787.06 is: 2,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.36 : 7,611.51 = 1,787.06 : x
  2. Step 2: Convert to fraction form
    5,074.36/7,611.51 = 1,787.06/x
  3. Step 3: Cross multiply
    5,074.36x = 7,611.51 × 1,787.06
  4. Step 4: Simplify right side
    5,074.36x = 13,602,225.06
  5. Step 5: Solve for x
    x = 13,602,225.06/5,074.36
  6. Step 6: Final answer
    x = 2,680.58

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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.