Home / 4,985.24-6,877.98-3,218.02

Finding the Fourth Proportional to 4,985.24, 6,877.98 and 3,218.02

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Solution

The fourth proportional to 4,985.24, 6,877.98 and 3,218.02 is: 4,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.24 : 6,877.98 = 3,218.02 : x
  2. Step 2: Convert to fraction form
    4,985.24/6,877.98 = 3,218.02/x
  3. Step 3: Cross multiply
    4,985.24x = 6,877.98 × 3,218.02
  4. Step 4: Simplify right side
    4,985.24x = 22,133,477.20
  5. Step 5: Solve for x
    x = 22,133,477.20/4,985.24
  6. Step 6: Final answer
    x = 4,439.80

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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.