Home / 6,237.30-9,357.81-1,854.90

Finding the Fourth Proportional to 6,237.30, 9,357.81 and 1,854.90

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Solution

The fourth proportional to 6,237.30, 9,357.81 and 1,854.90 is: 2,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.30 : 9,357.81 = 1,854.90 : x
  2. Step 2: Convert to fraction form
    6,237.30/9,357.81 = 1,854.90/x
  3. Step 3: Cross multiply
    6,237.30x = 9,357.81 × 1,854.90
  4. Step 4: Simplify right side
    6,237.30x = 17,357,801.77
  5. Step 5: Solve for x
    x = 17,357,801.77/6,237.30
  6. Step 6: Final answer
    x = 2,782.90

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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.