Home / 8,688.12-13,034.96-2,843.40

Finding the Fourth Proportional to 8,688.12, 13,034.96 and 2,843.40

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Solution

The fourth proportional to 8,688.12, 13,034.96 and 2,843.40 is: 4,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.12 : 13,034.96 = 2,843.40 : x
  2. Step 2: Convert to fraction form
    8,688.12/13,034.96 = 2,843.40/x
  3. Step 3: Cross multiply
    8,688.12x = 13,034.96 × 2,843.40
  4. Step 4: Simplify right side
    8,688.12x = 37,063,605.26
  5. Step 5: Solve for x
    x = 37,063,605.26/8,688.12
  6. Step 6: Final answer
    x = 4,266.01

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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.