Home / 4,242.14-6,363.22-1,320.45

Finding the Fourth Proportional to 4,242.14, 6,363.22 and 1,320.45

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Solution

The fourth proportional to 4,242.14, 6,363.22 and 1,320.45 is: 1,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.14 : 6,363.22 = 1,320.45 : x
  2. Step 2: Convert to fraction form
    4,242.14/6,363.22 = 1,320.45/x
  3. Step 3: Cross multiply
    4,242.14x = 6,363.22 × 1,320.45
  4. Step 4: Simplify right side
    4,242.14x = 8,402,324.95
  5. Step 5: Solve for x
    x = 8,402,324.95/4,242.14
  6. Step 6: Final answer
    x = 1,980.68

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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.