Home / 7,478.58-11,218.05-3,094.86

Finding the Fourth Proportional to 7,478.58, 11,218.05 and 3,094.86

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Solution

The fourth proportional to 7,478.58, 11,218.05 and 3,094.86 is: 4,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.58 : 11,218.05 = 3,094.86 : x
  2. Step 2: Convert to fraction form
    7,478.58/11,218.05 = 3,094.86/x
  3. Step 3: Cross multiply
    7,478.58x = 11,218.05 × 3,094.86
  4. Step 4: Simplify right side
    7,478.58x = 34,718,294.22
  5. Step 5: Solve for x
    x = 34,718,294.22/7,478.58
  6. Step 6: Final answer
    x = 4,642.36

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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.