Home / 7,808.16-11,706.75-2,877.15

Finding the Fourth Proportional to 7,808.16, 11,706.75 and 2,877.15

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Solution

The fourth proportional to 7,808.16, 11,706.75 and 2,877.15 is: 4,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.16 : 11,706.75 = 2,877.15 : x
  2. Step 2: Convert to fraction form
    7,808.16/11,706.75 = 2,877.15/x
  3. Step 3: Cross multiply
    7,808.16x = 11,706.75 × 2,877.15
  4. Step 4: Simplify right side
    7,808.16x = 33,682,075.76
  5. Step 5: Solve for x
    x = 33,682,075.76/7,808.16
  6. Step 6: Final answer
    x = 4,313.70

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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.