Home / 8,856.12-13,275.54-4,242.36

Finding the Fourth Proportional to 8,856.12, 13,275.54 and 4,242.36

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Solution

The fourth proportional to 8,856.12, 13,275.54 and 4,242.36 is: 6,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.12 : 13,275.54 = 4,242.36 : x
  2. Step 2: Convert to fraction form
    8,856.12/13,275.54 = 4,242.36/x
  3. Step 3: Cross multiply
    8,856.12x = 13,275.54 × 4,242.36
  4. Step 4: Simplify right side
    8,856.12x = 56,319,619.87
  5. Step 5: Solve for x
    x = 56,319,619.87/8,856.12
  6. Step 6: Final answer
    x = 6,359.40

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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.