Home / 8,697.79-13,048.31-2,856.07

Finding the Fourth Proportional to 8,697.79, 13,048.31 and 2,856.07

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Solution

The fourth proportional to 8,697.79, 13,048.31 and 2,856.07 is: 4,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.79 : 13,048.31 = 2,856.07 : x
  2. Step 2: Convert to fraction form
    8,697.79/13,048.31 = 2,856.07/x
  3. Step 3: Cross multiply
    8,697.79x = 13,048.31 × 2,856.07
  4. Step 4: Simplify right side
    8,697.79x = 37,266,886.74
  5. Step 5: Solve for x
    x = 37,266,886.74/8,697.79
  6. Step 6: Final answer
    x = 4,284.64

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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.