Home / 7,557.64-10,428.78-4,724.44

Finding the Fourth Proportional to 7,557.64, 10,428.78 and 4,724.44

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Solution

The fourth proportional to 7,557.64, 10,428.78 and 4,724.44 is: 6,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.64 : 10,428.78 = 4,724.44 : x
  2. Step 2: Convert to fraction form
    7,557.64/10,428.78 = 4,724.44/x
  3. Step 3: Cross multiply
    7,557.64x = 10,428.78 × 4,724.44
  4. Step 4: Simplify right side
    7,557.64x = 49,270,145.38
  5. Step 5: Solve for x
    x = 49,270,145.38/7,557.64
  6. Step 6: Final answer
    x = 6,519.25

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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.