Home / 8,992.68-12,416.58-5,460.66

Finding the Fourth Proportional to 8,992.68, 12,416.58 and 5,460.66

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Solution

The fourth proportional to 8,992.68, 12,416.58 and 5,460.66 is: 7,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.68 : 12,416.58 = 5,460.66 : x
  2. Step 2: Convert to fraction form
    8,992.68/12,416.58 = 5,460.66/x
  3. Step 3: Cross multiply
    8,992.68x = 12,416.58 × 5,460.66
  4. Step 4: Simplify right side
    8,992.68x = 67,802,721.74
  5. Step 5: Solve for x
    x = 67,802,721.74/8,992.68
  6. Step 6: Final answer
    x = 7,539.77

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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.