Home / 7,495.86-11,245.47-2,878.74

Finding the Fourth Proportional to 7,495.86, 11,245.47 and 2,878.74

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Solution

The fourth proportional to 7,495.86, 11,245.47 and 2,878.74 is: 4,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.86 : 11,245.47 = 2,878.74 : x
  2. Step 2: Convert to fraction form
    7,495.86/11,245.47 = 2,878.74/x
  3. Step 3: Cross multiply
    7,495.86x = 11,245.47 × 2,878.74
  4. Step 4: Simplify right side
    7,495.86x = 32,372,784.31
  5. Step 5: Solve for x
    x = 32,372,784.31/7,495.86
  6. Step 6: Final answer
    x = 4,318.76

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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.