Home / 4,281.68-6,423.64-1,816.60

Finding the Fourth Proportional to 4,281.68, 6,423.64 and 1,816.60

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Solution

The fourth proportional to 4,281.68, 6,423.64 and 1,816.60 is: 2,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.68 : 6,423.64 = 1,816.60 : x
  2. Step 2: Convert to fraction form
    4,281.68/6,423.64 = 1,816.60/x
  3. Step 3: Cross multiply
    4,281.68x = 6,423.64 × 1,816.60
  4. Step 4: Simplify right side
    4,281.68x = 11,669,184.42
  5. Step 5: Solve for x
    x = 11,669,184.42/4,281.68
  6. Step 6: Final answer
    x = 2,725.38

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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.