Home / 7,430.85-10,253.97-4,445.60

Finding the Fourth Proportional to 7,430.85, 10,253.97 and 4,445.60

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Solution

The fourth proportional to 7,430.85, 10,253.97 and 4,445.60 is: 6,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.85 : 10,253.97 = 4,445.60 : x
  2. Step 2: Convert to fraction form
    7,430.85/10,253.97 = 4,445.60/x
  3. Step 3: Cross multiply
    7,430.85x = 10,253.97 × 4,445.60
  4. Step 4: Simplify right side
    7,430.85x = 45,584,997.76
  5. Step 5: Solve for x
    x = 45,584,997.76/7,430.85
  6. Step 6: Final answer
    x = 6,134.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.