Home / 4,875.98-6,728.84-2,637.86

Finding the Fourth Proportional to 4,875.98, 6,728.84 and 2,637.86

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Solution

The fourth proportional to 4,875.98, 6,728.84 and 2,637.86 is: 3,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.98 : 6,728.84 = 2,637.86 : x
  2. Step 2: Convert to fraction form
    4,875.98/6,728.84 = 2,637.86/x
  3. Step 3: Cross multiply
    4,875.98x = 6,728.84 × 2,637.86
  4. Step 4: Simplify right side
    4,875.98x = 17,749,704.24
  5. Step 5: Solve for x
    x = 17,749,704.24/4,875.98
  6. Step 6: Final answer
    x = 3,640.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.