Home / 8,666.18-13,007.37-4,509.12

Finding the Fourth Proportional to 8,666.18, 13,007.37 and 4,509.12

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Solution

The fourth proportional to 8,666.18, 13,007.37 and 4,509.12 is: 6,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.18 : 13,007.37 = 4,509.12 : x
  2. Step 2: Convert to fraction form
    8,666.18/13,007.37 = 4,509.12/x
  3. Step 3: Cross multiply
    8,666.18x = 13,007.37 × 4,509.12
  4. Step 4: Simplify right side
    8,666.18x = 58,651,792.21
  5. Step 5: Solve for x
    x = 58,651,792.21/8,666.18
  6. Step 6: Final answer
    x = 6,767.90

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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.