Home / 4,739.52-7,108.70-1,277.04

Finding the Fourth Proportional to 4,739.52, 7,108.70 and 1,277.04

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Solution

The fourth proportional to 4,739.52, 7,108.70 and 1,277.04 is: 1,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.52 : 7,108.70 = 1,277.04 : x
  2. Step 2: Convert to fraction form
    4,739.52/7,108.70 = 1,277.04/x
  3. Step 3: Cross multiply
    4,739.52x = 7,108.70 × 1,277.04
  4. Step 4: Simplify right side
    4,739.52x = 9,078,087.86
  5. Step 5: Solve for x
    x = 9,078,087.86/4,739.52
  6. Step 6: Final answer
    x = 1,915.40

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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.