Home / 7,947.75-10,968.40-4,590.70

Finding the Fourth Proportional to 7,947.75, 10,968.40 and 4,590.70

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Solution

The fourth proportional to 7,947.75, 10,968.40 and 4,590.70 is: 6,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.75 : 10,968.40 = 4,590.70 : x
  2. Step 2: Convert to fraction form
    7,947.75/10,968.40 = 4,590.70/x
  3. Step 3: Cross multiply
    7,947.75x = 10,968.40 × 4,590.70
  4. Step 4: Simplify right side
    7,947.75x = 50,352,633.88
  5. Step 5: Solve for x
    x = 50,352,633.88/7,947.75
  6. Step 6: Final answer
    x = 6,335.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.