Home / 4,343.68-6,519.12-2,153.08

Finding the Fourth Proportional to 4,343.68, 6,519.12 and 2,153.08

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Solution

The fourth proportional to 4,343.68, 6,519.12 and 2,153.08 is: 3,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.68 : 6,519.12 = 2,153.08 : x
  2. Step 2: Convert to fraction form
    4,343.68/6,519.12 = 2,153.08/x
  3. Step 3: Cross multiply
    4,343.68x = 6,519.12 × 2,153.08
  4. Step 4: Simplify right side
    4,343.68x = 14,036,186.89
  5. Step 5: Solve for x
    x = 14,036,186.89/4,343.68
  6. Step 6: Final answer
    x = 3,231.40

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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.