Home / 10,379.04-15,559.29-3,800.76

Finding the Fourth Proportional to 10,379.04, 15,559.29 and 3,800.76

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Solution

The fourth proportional to 10,379.04, 15,559.29 and 3,800.76 is: 5,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.04 : 15,559.29 = 3,800.76 : x
  2. Step 2: Convert to fraction form
    10,379.04/15,559.29 = 3,800.76/x
  3. Step 3: Cross multiply
    10,379.04x = 15,559.29 × 3,800.76
  4. Step 4: Simplify right side
    10,379.04x = 59,137,127.06
  5. Step 5: Solve for x
    x = 59,137,127.06/10,379.04
  6. Step 6: Final answer
    x = 5,697.75

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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.