Home / 7,379.04-10,173.28-6,115.36

Finding the Fourth Proportional to 7,379.04, 10,173.28 and 6,115.36

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Solution

The fourth proportional to 7,379.04, 10,173.28 and 6,115.36 is: 8,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.04 : 10,173.28 = 6,115.36 : x
  2. Step 2: Convert to fraction form
    7,379.04/10,173.28 = 6,115.36/x
  3. Step 3: Cross multiply
    7,379.04x = 10,173.28 × 6,115.36
  4. Step 4: Simplify right side
    7,379.04x = 62,213,269.58
  5. Step 5: Solve for x
    x = 62,213,269.58/7,379.04
  6. Step 6: Final answer
    x = 8,431.08

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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.