Home / 8,760.49-13,133.64-5,980.16

Finding the Fourth Proportional to 8,760.49, 13,133.64 and 5,980.16

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Solution

The fourth proportional to 8,760.49, 13,133.64 and 5,980.16 is: 8,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.49 : 13,133.64 = 5,980.16 : x
  2. Step 2: Convert to fraction form
    8,760.49/13,133.64 = 5,980.16/x
  3. Step 3: Cross multiply
    8,760.49x = 13,133.64 × 5,980.16
  4. Step 4: Simplify right side
    8,760.49x = 78,541,268.58
  5. Step 5: Solve for x
    x = 78,541,268.58/8,760.49
  6. Step 6: Final answer
    x = 8,965.40

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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.