Home / 7,445.90-11,180.46-6,417.48

Finding the Fourth Proportional to 7,445.90, 11,180.46 and 6,417.48

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Solution

The fourth proportional to 7,445.90, 11,180.46 and 6,417.48 is: 9,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.90 : 11,180.46 = 6,417.48 : x
  2. Step 2: Convert to fraction form
    7,445.90/11,180.46 = 6,417.48/x
  3. Step 3: Cross multiply
    7,445.90x = 11,180.46 × 6,417.48
  4. Step 4: Simplify right side
    7,445.90x = 71,750,378.44
  5. Step 5: Solve for x
    x = 71,750,378.44/7,445.90
  6. Step 6: Final answer
    x = 9,636.23

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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.