Home / 7,320.16-10,980.24-2,389.83

Finding the Fourth Proportional to 7,320.16, 10,980.24 and 2,389.83

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Solution

The fourth proportional to 7,320.16, 10,980.24 and 2,389.83 is: 3,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.16 : 10,980.24 = 2,389.83 : x
  2. Step 2: Convert to fraction form
    7,320.16/10,980.24 = 2,389.83/x
  3. Step 3: Cross multiply
    7,320.16x = 10,980.24 × 2,389.83
  4. Step 4: Simplify right side
    7,320.16x = 26,240,906.96
  5. Step 5: Solve for x
    x = 26,240,906.96/7,320.16
  6. Step 6: Final answer
    x = 3,584.75

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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.