Home / 7,504.40-11,256.60-4,005.20

Finding the Fourth Proportional to 7,504.40, 11,256.60 and 4,005.20

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Solution

The fourth proportional to 7,504.40, 11,256.60 and 4,005.20 is: 6,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.40 : 11,256.60 = 4,005.20 : x
  2. Step 2: Convert to fraction form
    7,504.40/11,256.60 = 4,005.20/x
  3. Step 3: Cross multiply
    7,504.40x = 11,256.60 × 4,005.20
  4. Step 4: Simplify right side
    7,504.40x = 45,084,934.32
  5. Step 5: Solve for x
    x = 45,084,934.32/7,504.40
  6. Step 6: Final answer
    x = 6,007.80

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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.