Home / 4,046.90-6,070.35-1,125.21

Finding the Fourth Proportional to 4,046.90, 6,070.35 and 1,125.21

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Solution

The fourth proportional to 4,046.90, 6,070.35 and 1,125.21 is: 1,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,046.90 : 6,070.35 = 1,125.21 : x
  2. Step 2: Convert to fraction form
    4,046.90/6,070.35 = 1,125.21/x
  3. Step 3: Cross multiply
    4,046.90x = 6,070.35 × 1,125.21
  4. Step 4: Simplify right side
    4,046.90x = 6,830,418.52
  5. Step 5: Solve for x
    x = 6,830,418.52/4,046.90
  6. Step 6: Final answer
    x = 1,687.82

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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.