Home / 4,554.90-6,830.46-1,781.19

Finding the Fourth Proportional to 4,554.90, 6,830.46 and 1,781.19

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Solution

The fourth proportional to 4,554.90, 6,830.46 and 1,781.19 is: 2,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.90 : 6,830.46 = 1,781.19 : x
  2. Step 2: Convert to fraction form
    4,554.90/6,830.46 = 1,781.19/x
  3. Step 3: Cross multiply
    4,554.90x = 6,830.46 × 1,781.19
  4. Step 4: Simplify right side
    4,554.90x = 12,166,347.05
  5. Step 5: Solve for x
    x = 12,166,347.05/4,554.90
  6. Step 6: Final answer
    x = 2,671.05

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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.