Home / 8,875.71-13,313.57-3,681.59

Finding the Fourth Proportional to 8,875.71, 13,313.57 and 3,681.59

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Solution

The fourth proportional to 8,875.71, 13,313.57 and 3,681.59 is: 5,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.71 : 13,313.57 = 3,681.59 : x
  2. Step 2: Convert to fraction form
    8,875.71/13,313.57 = 3,681.59/x
  3. Step 3: Cross multiply
    8,875.71x = 13,313.57 × 3,681.59
  4. Step 4: Simplify right side
    8,875.71x = 49,015,021.20
  5. Step 5: Solve for x
    x = 49,015,021.20/8,875.71
  6. Step 6: Final answer
    x = 5,522.38

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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.