Home / 4,857.50-7,287.56-1,937.86

Finding the Fourth Proportional to 4,857.50, 7,287.56 and 1,937.86

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Solution

The fourth proportional to 4,857.50, 7,287.56 and 1,937.86 is: 2,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.50 : 7,287.56 = 1,937.86 : x
  2. Step 2: Convert to fraction form
    4,857.50/7,287.56 = 1,937.86/x
  3. Step 3: Cross multiply
    4,857.50x = 7,287.56 × 1,937.86
  4. Step 4: Simplify right side
    4,857.50x = 14,122,271.02
  5. Step 5: Solve for x
    x = 14,122,271.02/4,857.50
  6. Step 6: Final answer
    x = 2,907.31

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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.