Home / 8,681.04-13,022.64-2,440.80

Finding the Fourth Proportional to 8,681.04, 13,022.64 and 2,440.80

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Solution

The fourth proportional to 8,681.04, 13,022.64 and 2,440.80 is: 3,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.04 : 13,022.64 = 2,440.80 : x
  2. Step 2: Convert to fraction form
    8,681.04/13,022.64 = 2,440.80/x
  3. Step 3: Cross multiply
    8,681.04x = 13,022.64 × 2,440.80
  4. Step 4: Simplify right side
    8,681.04x = 31,785,659.71
  5. Step 5: Solve for x
    x = 31,785,659.71/8,681.04
  6. Step 6: Final answer
    x = 3,661.50

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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.