Home / 4,711.48-7,066.28-1,788.80

Finding the Fourth Proportional to 4,711.48, 7,066.28 and 1,788.80

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Solution

The fourth proportional to 4,711.48, 7,066.28 and 1,788.80 is: 2,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.48 : 7,066.28 = 1,788.80 : x
  2. Step 2: Convert to fraction form
    4,711.48/7,066.28 = 1,788.80/x
  3. Step 3: Cross multiply
    4,711.48x = 7,066.28 × 1,788.80
  4. Step 4: Simplify right side
    4,711.48x = 12,640,161.66
  5. Step 5: Solve for x
    x = 12,640,161.66/4,711.48
  6. Step 6: Final answer
    x = 2,682.84

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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.