Home / 8,678.02-11,974.48-4,901

Finding the Fourth Proportional to 8,678.02, 11,974.48 and 4,901

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Solution

The fourth proportional to 8,678.02, 11,974.48 and 4,901 is: 6,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.02 : 11,974.48 = 4,901 : x
  2. Step 2: Convert to fraction form
    8,678.02/11,974.48 = 4,901/x
  3. Step 3: Cross multiply
    8,678.02x = 11,974.48 × 4,901
  4. Step 4: Simplify right side
    8,678.02x = 58,686,926.48
  5. Step 5: Solve for x
    x = 58,686,926.48/8,678.02
  6. Step 6: Final answer
    x = 6,762.71

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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.