Home / 9,133.90-12,604.80-4,942.16

Finding the Fourth Proportional to 9,133.90, 12,604.80 and 4,942.16

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Solution

The fourth proportional to 9,133.90, 12,604.80 and 4,942.16 is: 6,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.90 : 12,604.80 = 4,942.16 : x
  2. Step 2: Convert to fraction form
    9,133.90/12,604.80 = 4,942.16/x
  3. Step 3: Cross multiply
    9,133.90x = 12,604.80 × 4,942.16
  4. Step 4: Simplify right side
    9,133.90x = 62,294,938.37
  5. Step 5: Solve for x
    x = 62,294,938.37/9,133.90
  6. Step 6: Final answer
    x = 6,820.19

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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.