Home / 4,590.75-6,886.19-1,128

Finding the Fourth Proportional to 4,590.75, 6,886.19 and 1,128

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Solution

The fourth proportional to 4,590.75, 6,886.19 and 1,128 is: 1,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.75 : 6,886.19 = 1,128 : x
  2. Step 2: Convert to fraction form
    4,590.75/6,886.19 = 1,128/x
  3. Step 3: Cross multiply
    4,590.75x = 6,886.19 × 1,128
  4. Step 4: Simplify right side
    4,590.75x = 7,767,622.32
  5. Step 5: Solve for x
    x = 7,767,622.32/4,590.75
  6. Step 6: Final answer
    x = 1,692.02

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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.