Home / 6,602.45-9,902.61-2,160.08

Finding the Fourth Proportional to 6,602.45, 9,902.61 and 2,160.08

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Solution

The fourth proportional to 6,602.45, 9,902.61 and 2,160.08 is: 3,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.45 : 9,902.61 = 2,160.08 : x
  2. Step 2: Convert to fraction form
    6,602.45/9,902.61 = 2,160.08/x
  3. Step 3: Cross multiply
    6,602.45x = 9,902.61 × 2,160.08
  4. Step 4: Simplify right side
    6,602.45x = 21,390,429.81
  5. Step 5: Solve for x
    x = 21,390,429.81/6,602.45
  6. Step 6: Final answer
    x = 3,239.77

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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.