Home / 6,424.02-8,864.73-3,629.70

Finding the Fourth Proportional to 6,424.02, 8,864.73 and 3,629.70

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Solution

The fourth proportional to 6,424.02, 8,864.73 and 3,629.70 is: 5,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.02 : 8,864.73 = 3,629.70 : x
  2. Step 2: Convert to fraction form
    6,424.02/8,864.73 = 3,629.70/x
  3. Step 3: Cross multiply
    6,424.02x = 8,864.73 × 3,629.70
  4. Step 4: Simplify right side
    6,424.02x = 32,176,310.48
  5. Step 5: Solve for x
    x = 32,176,310.48/6,424.02
  6. Step 6: Final answer
    x = 5,008.75

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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.