Home / 4,740.50-7,109.94-1,276.94

Finding the Fourth Proportional to 4,740.50, 7,109.94 and 1,276.94

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Solution

The fourth proportional to 4,740.50, 7,109.94 and 1,276.94 is: 1,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.50 : 7,109.94 = 1,276.94 : x
  2. Step 2: Convert to fraction form
    4,740.50/7,109.94 = 1,276.94/x
  3. Step 3: Cross multiply
    4,740.50x = 7,109.94 × 1,276.94
  4. Step 4: Simplify right side
    4,740.50x = 9,078,944.22
  5. Step 5: Solve for x
    x = 9,078,944.22/4,740.50
  6. Step 6: Final answer
    x = 1,915.19

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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.