Home / 7,182.14-9,911.16-4,038.54

Finding the Fourth Proportional to 7,182.14, 9,911.16 and 4,038.54

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Solution

The fourth proportional to 7,182.14, 9,911.16 and 4,038.54 is: 5,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.14 : 9,911.16 = 4,038.54 : x
  2. Step 2: Convert to fraction form
    7,182.14/9,911.16 = 4,038.54/x
  3. Step 3: Cross multiply
    7,182.14x = 9,911.16 × 4,038.54
  4. Step 4: Simplify right side
    7,182.14x = 40,026,616.11
  5. Step 5: Solve for x
    x = 40,026,616.11/7,182.14
  6. Step 6: Final answer
    x = 5,573.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.