Home / 7,319.21-10,977.71-2,701.13

Finding the Fourth Proportional to 7,319.21, 10,977.71 and 2,701.13

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Solution

The fourth proportional to 7,319.21, 10,977.71 and 2,701.13 is: 4,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.21 : 10,977.71 = 2,701.13 : x
  2. Step 2: Convert to fraction form
    7,319.21/10,977.71 = 2,701.13/x
  3. Step 3: Cross multiply
    7,319.21x = 10,977.71 × 2,701.13
  4. Step 4: Simplify right side
    7,319.21x = 29,652,153.42
  5. Step 5: Solve for x
    x = 29,652,153.42/7,319.21
  6. Step 6: Final answer
    x = 4,051.28

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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.