Home / 7,470.36-11,204.55-3,087.21

Finding the Fourth Proportional to 7,470.36, 11,204.55 and 3,087.21

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Solution

The fourth proportional to 7,470.36, 11,204.55 and 3,087.21 is: 4,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.36 : 11,204.55 = 3,087.21 : x
  2. Step 2: Convert to fraction form
    7,470.36/11,204.55 = 3,087.21/x
  3. Step 3: Cross multiply
    7,470.36x = 11,204.55 × 3,087.21
  4. Step 4: Simplify right side
    7,470.36x = 34,590,798.81
  5. Step 5: Solve for x
    x = 34,590,798.81/7,470.36
  6. Step 6: Final answer
    x = 4,630.41

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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.