Home / 8,828.61-13,242.91-2,985.06

Finding the Fourth Proportional to 8,828.61, 13,242.91 and 2,985.06

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Solution

The fourth proportional to 8,828.61, 13,242.91 and 2,985.06 is: 4,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.61 : 13,242.91 = 2,985.06 : x
  2. Step 2: Convert to fraction form
    8,828.61/13,242.91 = 2,985.06/x
  3. Step 3: Cross multiply
    8,828.61x = 13,242.91 × 2,985.06
  4. Step 4: Simplify right side
    8,828.61x = 39,530,880.92
  5. Step 5: Solve for x
    x = 39,530,880.92/8,828.61
  6. Step 6: Final answer
    x = 4,477.59

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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.