Home / 4,343.60-6,516.10-1,421.24

Finding the Fourth Proportional to 4,343.60, 6,516.10 and 1,421.24

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Solution

The fourth proportional to 4,343.60, 6,516.10 and 1,421.24 is: 2,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.60 : 6,516.10 = 1,421.24 : x
  2. Step 2: Convert to fraction form
    4,343.60/6,516.10 = 1,421.24/x
  3. Step 3: Cross multiply
    4,343.60x = 6,516.10 × 1,421.24
  4. Step 4: Simplify right side
    4,343.60x = 9,260,941.96
  5. Step 5: Solve for x
    x = 9,260,941.96/4,343.60
  6. Step 6: Final answer
    x = 2,132.09

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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.