Home / 4,638.66-6,957.88-1,128.69

Finding the Fourth Proportional to 4,638.66, 6,957.88 and 1,128.69

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Solution

The fourth proportional to 4,638.66, 6,957.88 and 1,128.69 is: 1,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.66 : 6,957.88 = 1,128.69 : x
  2. Step 2: Convert to fraction form
    4,638.66/6,957.88 = 1,128.69/x
  3. Step 3: Cross multiply
    4,638.66x = 6,957.88 × 1,128.69
  4. Step 4: Simplify right side
    4,638.66x = 7,853,257.61
  5. Step 5: Solve for x
    x = 7,853,257.61/4,638.66
  6. Step 6: Final answer
    x = 1,693.00

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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.