Home / 7,479.90-10,321.56-4,335.75

Finding the Fourth Proportional to 7,479.90, 10,321.56 and 4,335.75

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Solution

The fourth proportional to 7,479.90, 10,321.56 and 4,335.75 is: 5,982.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.90 : 10,321.56 = 4,335.75 : x
  2. Step 2: Convert to fraction form
    7,479.90/10,321.56 = 4,335.75/x
  3. Step 3: Cross multiply
    7,479.90x = 10,321.56 × 4,335.75
  4. Step 4: Simplify right side
    7,479.90x = 44,751,703.77
  5. Step 5: Solve for x
    x = 44,751,703.77/7,479.90
  6. Step 6: Final answer
    x = 5,982.93

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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.