Home / 4,638.43-6,957.57-1,128.47

Finding the Fourth Proportional to 4,638.43, 6,957.57 and 1,128.47

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Solution

The fourth proportional to 4,638.43, 6,957.57 and 1,128.47 is: 1,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.43 : 6,957.57 = 1,128.47 : x
  2. Step 2: Convert to fraction form
    4,638.43/6,957.57 = 1,128.47/x
  3. Step 3: Cross multiply
    4,638.43x = 6,957.57 × 1,128.47
  4. Step 4: Simplify right side
    4,638.43x = 7,851,409.02
  5. Step 5: Solve for x
    x = 7,851,409.02/4,638.43
  6. Step 6: Final answer
    x = 1,692.69

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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.