Home / 8,985.12-13,477.69-3,440.17

Finding the Fourth Proportional to 8,985.12, 13,477.69 and 3,440.17

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Solution

The fourth proportional to 8,985.12, 13,477.69 and 3,440.17 is: 5,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.12 : 13,477.69 = 3,440.17 : x
  2. Step 2: Convert to fraction form
    8,985.12/13,477.69 = 3,440.17/x
  3. Step 3: Cross multiply
    8,985.12x = 13,477.69 × 3,440.17
  4. Step 4: Simplify right side
    8,985.12x = 46,365,544.81
  5. Step 5: Solve for x
    x = 46,365,544.81/8,985.12
  6. Step 6: Final answer
    x = 5,160.26

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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.