Home / 7,337.36-10,125.50-3,980.14

Finding the Fourth Proportional to 7,337.36, 10,125.50 and 3,980.14

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Solution

The fourth proportional to 7,337.36, 10,125.50 and 3,980.14 is: 5,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.36 : 10,125.50 = 3,980.14 : x
  2. Step 2: Convert to fraction form
    7,337.36/10,125.50 = 3,980.14/x
  3. Step 3: Cross multiply
    7,337.36x = 10,125.50 × 3,980.14
  4. Step 4: Simplify right side
    7,337.36x = 40,300,907.57
  5. Step 5: Solve for x
    x = 40,300,907.57/7,337.36
  6. Step 6: Final answer
    x = 5,492.56

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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.