Home / 7,636.18-10,538.33-4,278.80

Finding the Fourth Proportional to 7,636.18, 10,538.33 and 4,278.80

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Solution

The fourth proportional to 7,636.18, 10,538.33 and 4,278.80 is: 5,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.18 : 10,538.33 = 4,278.80 : x
  2. Step 2: Convert to fraction form
    7,636.18/10,538.33 = 4,278.80/x
  3. Step 3: Cross multiply
    7,636.18x = 10,538.33 × 4,278.80
  4. Step 4: Simplify right side
    7,636.18x = 45,091,406.40
  5. Step 5: Solve for x
    x = 45,091,406.40/7,636.18
  6. Step 6: Final answer
    x = 5,904.97

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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.