Home / 8,688.41-13,038.91-5,908.49

Finding the Fourth Proportional to 8,688.41, 13,038.91 and 5,908.49

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Solution

The fourth proportional to 8,688.41, 13,038.91 and 5,908.49 is: 8,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.41 : 13,038.91 = 5,908.49 : x
  2. Step 2: Convert to fraction form
    8,688.41/13,038.91 = 5,908.49/x
  3. Step 3: Cross multiply
    8,688.41x = 13,038.91 × 5,908.49
  4. Step 4: Simplify right side
    8,688.41x = 77,040,189.38
  5. Step 5: Solve for x
    x = 77,040,189.38/8,688.41
  6. Step 6: Final answer
    x = 8,867.01

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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.