Home / 4,953.53-7,430.28-1,255.75

Finding the Fourth Proportional to 4,953.53, 7,430.28 and 1,255.75

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Solution

The fourth proportional to 4,953.53, 7,430.28 and 1,255.75 is: 1,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.53 : 7,430.28 = 1,255.75 : x
  2. Step 2: Convert to fraction form
    4,953.53/7,430.28 = 1,255.75/x
  3. Step 3: Cross multiply
    4,953.53x = 7,430.28 × 1,255.75
  4. Step 4: Simplify right side
    4,953.53x = 9,330,555.53
  5. Step 5: Solve for x
    x = 9,330,555.53/4,953.53
  6. Step 6: Final answer
    x = 1,883.62

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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.