Home / 8,442.12-11,650.58-5,085.97

Finding the Fourth Proportional to 8,442.12, 11,650.58 and 5,085.97

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Solution

The fourth proportional to 8,442.12, 11,650.58 and 5,085.97 is: 7,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.12 : 11,650.58 = 5,085.97 : x
  2. Step 2: Convert to fraction form
    8,442.12/11,650.58 = 5,085.97/x
  3. Step 3: Cross multiply
    8,442.12x = 11,650.58 × 5,085.97
  4. Step 4: Simplify right side
    8,442.12x = 59,254,500.36
  5. Step 5: Solve for x
    x = 59,254,500.36/8,442.12
  6. Step 6: Final answer
    x = 7,018.91

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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.