Home / 7,191.07-10,787.55-2,511.16

Finding the Fourth Proportional to 7,191.07, 10,787.55 and 2,511.16

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Solution

The fourth proportional to 7,191.07, 10,787.55 and 2,511.16 is: 3,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.07 : 10,787.55 = 2,511.16 : x
  2. Step 2: Convert to fraction form
    7,191.07/10,787.55 = 2,511.16/x
  3. Step 3: Cross multiply
    7,191.07x = 10,787.55 × 2,511.16
  4. Step 4: Simplify right side
    7,191.07x = 27,089,264.06
  5. Step 5: Solve for x
    x = 27,089,264.06/7,191.07
  6. Step 6: Final answer
    x = 3,767.07

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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.