Home / 4,343.23-6,516.42-1,421.56

Finding the Fourth Proportional to 4,343.23, 6,516.42 and 1,421.56

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Solution

The fourth proportional to 4,343.23, 6,516.42 and 1,421.56 is: 2,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.23 : 6,516.42 = 1,421.56 : x
  2. Step 2: Convert to fraction form
    4,343.23/6,516.42 = 1,421.56/x
  3. Step 3: Cross multiply
    4,343.23x = 6,516.42 × 1,421.56
  4. Step 4: Simplify right side
    4,343.23x = 9,263,482.02
  5. Step 5: Solve for x
    x = 9,263,482.02/4,343.23
  6. Step 6: Final answer
    x = 2,132.86

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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.