Home / 6,875.85-10,308.31-2,977.53

Finding the Fourth Proportional to 6,875.85, 10,308.31 and 2,977.53

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Solution

The fourth proportional to 6,875.85, 10,308.31 and 2,977.53 is: 4,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.85 : 10,308.31 = 2,977.53 : x
  2. Step 2: Convert to fraction form
    6,875.85/10,308.31 = 2,977.53/x
  3. Step 3: Cross multiply
    6,875.85x = 10,308.31 × 2,977.53
  4. Step 4: Simplify right side
    6,875.85x = 30,693,302.27
  5. Step 5: Solve for x
    x = 30,693,302.27/6,875.85
  6. Step 6: Final answer
    x = 4,463.93

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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.