Home / 9,135.14-12,606.53-4,943.39

Finding the Fourth Proportional to 9,135.14, 12,606.53 and 4,943.39

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Solution

The fourth proportional to 9,135.14, 12,606.53 and 4,943.39 is: 6,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.14 : 12,606.53 = 4,943.39 : x
  2. Step 2: Convert to fraction form
    9,135.14/12,606.53 = 4,943.39/x
  3. Step 3: Cross multiply
    9,135.14x = 12,606.53 × 4,943.39
  4. Step 4: Simplify right side
    9,135.14x = 62,318,966.22
  5. Step 5: Solve for x
    x = 62,318,966.22/9,135.14
  6. Step 6: Final answer
    x = 6,821.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.