Home / 5,221.04-7,835.45-2,101.07

Finding the Fourth Proportional to 5,221.04, 7,835.45 and 2,101.07

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Solution

The fourth proportional to 5,221.04, 7,835.45 and 2,101.07 is: 3,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.04 : 7,835.45 = 2,101.07 : x
  2. Step 2: Convert to fraction form
    5,221.04/7,835.45 = 2,101.07/x
  3. Step 3: Cross multiply
    5,221.04x = 7,835.45 × 2,101.07
  4. Step 4: Simplify right side
    5,221.04x = 16,462,812.57
  5. Step 5: Solve for x
    x = 16,462,812.57/5,221.04
  6. Step 6: Final answer
    x = 3,153.17

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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.