Home / 4,428.30-6,642.69-1,655.70

Finding the Fourth Proportional to 4,428.30, 6,642.69 and 1,655.70

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Solution

The fourth proportional to 4,428.30, 6,642.69 and 1,655.70 is: 2,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.30 : 6,642.69 = 1,655.70 : x
  2. Step 2: Convert to fraction form
    4,428.30/6,642.69 = 1,655.70/x
  3. Step 3: Cross multiply
    4,428.30x = 6,642.69 × 1,655.70
  4. Step 4: Simplify right side
    4,428.30x = 10,998,301.83
  5. Step 5: Solve for x
    x = 10,998,301.83/4,428.30
  6. Step 6: Final answer
    x = 2,483.64

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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.