Home / 4,423.28-6,634.76-1,136.40

Finding the Fourth Proportional to 4,423.28, 6,634.76 and 1,136.40

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Solution

The fourth proportional to 4,423.28, 6,634.76 and 1,136.40 is: 1,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.28 : 6,634.76 = 1,136.40 : x
  2. Step 2: Convert to fraction form
    4,423.28/6,634.76 = 1,136.40/x
  3. Step 3: Cross multiply
    4,423.28x = 6,634.76 × 1,136.40
  4. Step 4: Simplify right side
    4,423.28x = 7,539,741.26
  5. Step 5: Solve for x
    x = 7,539,741.26/4,423.28
  6. Step 6: Final answer
    x = 1,704.56

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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.