Home / 4,663.36-6,428.48-3,088.72

Finding the Fourth Proportional to 4,663.36, 6,428.48 and 3,088.72

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Solution

The fourth proportional to 4,663.36, 6,428.48 and 3,088.72 is: 4,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.36 : 6,428.48 = 3,088.72 : x
  2. Step 2: Convert to fraction form
    4,663.36/6,428.48 = 3,088.72/x
  3. Step 3: Cross multiply
    4,663.36x = 6,428.48 × 3,088.72
  4. Step 4: Simplify right side
    4,663.36x = 19,855,774.75
  5. Step 5: Solve for x
    x = 19,855,774.75/4,663.36
  6. Step 6: Final answer
    x = 4,257.83

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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.