Home / 4,784.23-7,176.70-1,274.22

Finding the Fourth Proportional to 4,784.23, 7,176.70 and 1,274.22

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Solution

The fourth proportional to 4,784.23, 7,176.70 and 1,274.22 is: 1,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.23 : 7,176.70 = 1,274.22 : x
  2. Step 2: Convert to fraction form
    4,784.23/7,176.70 = 1,274.22/x
  3. Step 3: Cross multiply
    4,784.23x = 7,176.70 × 1,274.22
  4. Step 4: Simplify right side
    4,784.23x = 9,144,686.17
  5. Step 5: Solve for x
    x = 9,144,686.17/4,784.23
  6. Step 6: Final answer
    x = 1,911.42

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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.