Home / 4,428.02-6,646.12-2,238.28

Finding the Fourth Proportional to 4,428.02, 6,646.12 and 2,238.28

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Solution

The fourth proportional to 4,428.02, 6,646.12 and 2,238.28 is: 3,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.02 : 6,646.12 = 2,238.28 : x
  2. Step 2: Convert to fraction form
    4,428.02/6,646.12 = 2,238.28/x
  3. Step 3: Cross multiply
    4,428.02x = 6,646.12 × 2,238.28
  4. Step 4: Simplify right side
    4,428.02x = 14,875,877.47
  5. Step 5: Solve for x
    x = 14,875,877.47/4,428.02
  6. Step 6: Final answer
    x = 3,359.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.