Home / 5,117.79-7,673.40-3,360.72

Finding the Fourth Proportional to 5,117.79, 7,673.40 and 3,360.72

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Solution

The fourth proportional to 5,117.79, 7,673.40 and 3,360.72 is: 5,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.79 : 7,673.40 = 3,360.72 : x
  2. Step 2: Convert to fraction form
    5,117.79/7,673.40 = 3,360.72/x
  3. Step 3: Cross multiply
    5,117.79x = 7,673.40 × 3,360.72
  4. Step 4: Simplify right side
    5,117.79x = 25,788,148.85
  5. Step 5: Solve for x
    x = 25,788,148.85/5,117.79
  6. Step 6: Final answer
    x = 5,038.92

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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.