Home / 7,291.57-10,937.33-2,912.10

Finding the Fourth Proportional to 7,291.57, 10,937.33 and 2,912.10

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Solution

The fourth proportional to 7,291.57, 10,937.33 and 2,912.10 is: 4,368.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.57 : 10,937.33 = 2,912.10 : x
  2. Step 2: Convert to fraction form
    7,291.57/10,937.33 = 2,912.10/x
  3. Step 3: Cross multiply
    7,291.57x = 10,937.33 × 2,912.10
  4. Step 4: Simplify right side
    7,291.57x = 31,850,615.56
  5. Step 5: Solve for x
    x = 31,850,615.56/7,291.57
  6. Step 6: Final answer
    x = 4,368.14

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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.