Home / 8,828.48-13,242.74-2,985.12

Finding the Fourth Proportional to 8,828.48, 13,242.74 and 2,985.12

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Solution

The fourth proportional to 8,828.48, 13,242.74 and 2,985.12 is: 4,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.48 : 13,242.74 = 2,985.12 : x
  2. Step 2: Convert to fraction form
    8,828.48/13,242.74 = 2,985.12/x
  3. Step 3: Cross multiply
    8,828.48x = 13,242.74 × 2,985.12
  4. Step 4: Simplify right side
    8,828.48x = 39,531,168.03
  5. Step 5: Solve for x
    x = 39,531,168.03/8,828.48
  6. Step 6: Final answer
    x = 4,477.69

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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.