Home / 7,521.36-10,379.58-4,164.50

Finding the Fourth Proportional to 7,521.36, 10,379.58 and 4,164.50

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Solution

The fourth proportional to 7,521.36, 10,379.58 and 4,164.50 is: 5,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.36 : 10,379.58 = 4,164.50 : x
  2. Step 2: Convert to fraction form
    7,521.36/10,379.58 = 4,164.50/x
  3. Step 3: Cross multiply
    7,521.36x = 10,379.58 × 4,164.50
  4. Step 4: Simplify right side
    7,521.36x = 43,225,709.01
  5. Step 5: Solve for x
    x = 43,225,709.01/7,521.36
  6. Step 6: Final answer
    x = 5,747.06

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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.