Home / 7,434.90-11,140.20-6,195.60

Finding the Fourth Proportional to 7,434.90, 11,140.20 and 6,195.60

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Solution

The fourth proportional to 7,434.90, 11,140.20 and 6,195.60 is: 9,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.90 : 11,140.20 = 6,195.60 : x
  2. Step 2: Convert to fraction form
    7,434.90/11,140.20 = 6,195.60/x
  3. Step 3: Cross multiply
    7,434.90x = 11,140.20 × 6,195.60
  4. Step 4: Simplify right side
    7,434.90x = 69,020,223.12
  5. Step 5: Solve for x
    x = 69,020,223.12/7,434.90
  6. Step 6: Final answer
    x = 9,283.28

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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.