Home / 8,412.23-11,608.72-4,635.74

Finding the Fourth Proportional to 8,412.23, 11,608.72 and 4,635.74

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Solution

The fourth proportional to 8,412.23, 11,608.72 and 4,635.74 is: 6,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.23 : 11,608.72 = 4,635.74 : x
  2. Step 2: Convert to fraction form
    8,412.23/11,608.72 = 4,635.74/x
  3. Step 3: Cross multiply
    8,412.23x = 11,608.72 × 4,635.74
  4. Step 4: Simplify right side
    8,412.23x = 53,814,981.55
  5. Step 5: Solve for x
    x = 53,814,981.55/8,412.23
  6. Step 6: Final answer
    x = 6,397.24

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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.