Home / 7,317.21-10,977.57-2,386.86

Finding the Fourth Proportional to 7,317.21, 10,977.57 and 2,386.86

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Solution

The fourth proportional to 7,317.21, 10,977.57 and 2,386.86 is: 3,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.21 : 10,977.57 = 2,386.86 : x
  2. Step 2: Convert to fraction form
    7,317.21/10,977.57 = 2,386.86/x
  3. Step 3: Cross multiply
    7,317.21x = 10,977.57 × 2,386.86
  4. Step 4: Simplify right side
    7,317.21x = 26,201,922.73
  5. Step 5: Solve for x
    x = 26,201,922.73/7,317.21
  6. Step 6: Final answer
    x = 3,580.86

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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.