Home / 5,038.40-7,552.64-2,117.44

Finding the Fourth Proportional to 5,038.40, 7,552.64 and 2,117.44

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Solution

The fourth proportional to 5,038.40, 7,552.64 and 2,117.44 is: 3,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.40 : 7,552.64 = 2,117.44 : x
  2. Step 2: Convert to fraction form
    5,038.40/7,552.64 = 2,117.44/x
  3. Step 3: Cross multiply
    5,038.40x = 7,552.64 × 2,117.44
  4. Step 4: Simplify right side
    5,038.40x = 15,992,262.04
  5. Step 5: Solve for x
    x = 15,992,262.04/5,038.40
  6. Step 6: Final answer
    x = 3,174.08

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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.