Home / 8,539.92-12,802.68-3,605.04

Finding the Fourth Proportional to 8,539.92, 12,802.68 and 3,605.04

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Solution

The fourth proportional to 8,539.92, 12,802.68 and 3,605.04 is: 5,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.92 : 12,802.68 = 3,605.04 : x
  2. Step 2: Convert to fraction form
    8,539.92/12,802.68 = 3,605.04/x
  3. Step 3: Cross multiply
    8,539.92x = 12,802.68 × 3,605.04
  4. Step 4: Simplify right side
    8,539.92x = 46,154,173.51
  5. Step 5: Solve for x
    x = 46,154,173.51/8,539.92
  6. Step 6: Final answer
    x = 5,404.52

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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.