Home / 4,677.44-7,017.17-1,390.77

Finding the Fourth Proportional to 4,677.44, 7,017.17 and 1,390.77

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Solution

The fourth proportional to 4,677.44, 7,017.17 and 1,390.77 is: 2,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.44 : 7,017.17 = 1,390.77 : x
  2. Step 2: Convert to fraction form
    4,677.44/7,017.17 = 1,390.77/x
  3. Step 3: Cross multiply
    4,677.44x = 7,017.17 × 1,390.77
  4. Step 4: Simplify right side
    4,677.44x = 9,759,262.57
  5. Step 5: Solve for x
    x = 9,759,262.57/4,677.44
  6. Step 6: Final answer
    x = 2,086.46

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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.