Home / 6,402.55-9,603.82-2,020.34

Finding the Fourth Proportional to 6,402.55, 9,603.82 and 2,020.34

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Solution

The fourth proportional to 6,402.55, 9,603.82 and 2,020.34 is: 3,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.55 : 9,603.82 = 2,020.34 : x
  2. Step 2: Convert to fraction form
    6,402.55/9,603.82 = 2,020.34/x
  3. Step 3: Cross multiply
    6,402.55x = 9,603.82 × 2,020.34
  4. Step 4: Simplify right side
    6,402.55x = 19,402,981.70
  5. Step 5: Solve for x
    x = 19,402,981.70/6,402.55
  6. Step 6: Final answer
    x = 3,030.51

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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.