Home / 7,509.42-11,258.04-3,130.14

Finding the Fourth Proportional to 7,509.42, 11,258.04 and 3,130.14

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Solution

The fourth proportional to 7,509.42, 11,258.04 and 3,130.14 is: 4,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.42 : 11,258.04 = 3,130.14 : x
  2. Step 2: Convert to fraction form
    7,509.42/11,258.04 = 3,130.14/x
  3. Step 3: Cross multiply
    7,509.42x = 11,258.04 × 3,130.14
  4. Step 4: Simplify right side
    7,509.42x = 35,239,241.33
  5. Step 5: Solve for x
    x = 35,239,241.33/7,509.42
  6. Step 6: Final answer
    x = 4,692.67

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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.