Home / 7,392.60-11,085.55-2,126.40

Finding the Fourth Proportional to 7,392.60, 11,085.55 and 2,126.40

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Solution

The fourth proportional to 7,392.60, 11,085.55 and 2,126.40 is: 3,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.60 : 11,085.55 = 2,126.40 : x
  2. Step 2: Convert to fraction form
    7,392.60/11,085.55 = 2,126.40/x
  3. Step 3: Cross multiply
    7,392.60x = 11,085.55 × 2,126.40
  4. Step 4: Simplify right side
    7,392.60x = 23,572,258.09
  5. Step 5: Solve for x
    x = 23,572,258.09/7,392.60
  6. Step 6: Final answer
    x = 3,188.63

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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.