Home / 7,573.28-10,451.16-4,428.80

Finding the Fourth Proportional to 7,573.28, 10,451.16 and 4,428.80

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Solution

The fourth proportional to 7,573.28, 10,451.16 and 4,428.80 is: 6,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.28 : 10,451.16 = 4,428.80 : x
  2. Step 2: Convert to fraction form
    7,573.28/10,451.16 = 4,428.80/x
  3. Step 3: Cross multiply
    7,573.28x = 10,451.16 × 4,428.80
  4. Step 4: Simplify right side
    7,573.28x = 46,286,097.41
  5. Step 5: Solve for x
    x = 46,286,097.41/7,573.28
  6. Step 6: Final answer
    x = 6,111.76

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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.