Home / 5,416.39-8,124.59-1,953.64

Finding the Fourth Proportional to 5,416.39, 8,124.59 and 1,953.64

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Solution

The fourth proportional to 5,416.39, 8,124.59 and 1,953.64 is: 2,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.39 : 8,124.59 = 1,953.64 : x
  2. Step 2: Convert to fraction form
    5,416.39/8,124.59 = 1,953.64/x
  3. Step 3: Cross multiply
    5,416.39x = 8,124.59 × 1,953.64
  4. Step 4: Simplify right side
    5,416.39x = 15,872,514.24
  5. Step 5: Solve for x
    x = 15,872,514.24/5,416.39
  6. Step 6: Final answer
    x = 2,930.46

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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.