Home / 6,460.96-8,913.36-4,222

Finding the Fourth Proportional to 6,460.96, 8,913.36 and 4,222

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Solution

The fourth proportional to 6,460.96, 8,913.36 and 4,222 is: 5,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.96 : 8,913.36 = 4,222 : x
  2. Step 2: Convert to fraction form
    6,460.96/8,913.36 = 4,222/x
  3. Step 3: Cross multiply
    6,460.96x = 8,913.36 × 4,222
  4. Step 4: Simplify right side
    6,460.96x = 37,632,205.92
  5. Step 5: Solve for x
    x = 37,632,205.92/6,460.96
  6. Step 6: Final answer
    x = 5,824.55

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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.