Home / 4,622.77-6,373.02-3,128.32

Finding the Fourth Proportional to 4,622.77, 6,373.02 and 3,128.32

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Solution

The fourth proportional to 4,622.77, 6,373.02 and 3,128.32 is: 4,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.77 : 6,373.02 = 3,128.32 : x
  2. Step 2: Convert to fraction form
    4,622.77/6,373.02 = 3,128.32/x
  3. Step 3: Cross multiply
    4,622.77x = 6,373.02 × 3,128.32
  4. Step 4: Simplify right side
    4,622.77x = 19,936,845.93
  5. Step 5: Solve for x
    x = 19,936,845.93/4,622.77
  6. Step 6: Final answer
    x = 4,312.75

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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.