Home / 4,820.64-7,231.20-1,357.92

Finding the Fourth Proportional to 4,820.64, 7,231.20 and 1,357.92

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Solution

The fourth proportional to 4,820.64, 7,231.20 and 1,357.92 is: 2,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.64 : 7,231.20 = 1,357.92 : x
  2. Step 2: Convert to fraction form
    4,820.64/7,231.20 = 1,357.92/x
  3. Step 3: Cross multiply
    4,820.64x = 7,231.20 × 1,357.92
  4. Step 4: Simplify right side
    4,820.64x = 9,819,391.10
  5. Step 5: Solve for x
    x = 9,819,391.10/4,820.64
  6. Step 6: Final answer
    x = 2,036.95

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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.