Home / 4,739.81-7,108.91-1,276.25

Finding the Fourth Proportional to 4,739.81, 7,108.91 and 1,276.25

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Solution

The fourth proportional to 4,739.81, 7,108.91 and 1,276.25 is: 1,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.81 : 7,108.91 = 1,276.25 : x
  2. Step 2: Convert to fraction form
    4,739.81/7,108.91 = 1,276.25/x
  3. Step 3: Cross multiply
    4,739.81x = 7,108.91 × 1,276.25
  4. Step 4: Simplify right side
    4,739.81x = 9,072,740.01
  5. Step 5: Solve for x
    x = 9,072,740.01/4,739.81
  6. Step 6: Final answer
    x = 1,914.16

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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.