Home / 7,290.18-10,936.35-2,847.06

Finding the Fourth Proportional to 7,290.18, 10,936.35 and 2,847.06

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Solution

The fourth proportional to 7,290.18, 10,936.35 and 2,847.06 is: 4,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.18 : 10,936.35 = 2,847.06 : x
  2. Step 2: Convert to fraction form
    7,290.18/10,936.35 = 2,847.06/x
  3. Step 3: Cross multiply
    7,290.18x = 10,936.35 × 2,847.06
  4. Step 4: Simplify right side
    7,290.18x = 31,136,444.63
  5. Step 5: Solve for x
    x = 31,136,444.63/7,290.18
  6. Step 6: Final answer
    x = 4,271.01

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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.