Home / 7,580.40-11,370.60-5,101.80

Finding the Fourth Proportional to 7,580.40, 11,370.60 and 5,101.80

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Solution

The fourth proportional to 7,580.40, 11,370.60 and 5,101.80 is: 7,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.40 : 11,370.60 = 5,101.80 : x
  2. Step 2: Convert to fraction form
    7,580.40/11,370.60 = 5,101.80/x
  3. Step 3: Cross multiply
    7,580.40x = 11,370.60 × 5,101.80
  4. Step 4: Simplify right side
    7,580.40x = 58,010,527.08
  5. Step 5: Solve for x
    x = 58,010,527.08/7,580.40
  6. Step 6: Final answer
    x = 7,652.70

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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.