Home / 7,376.40-10,177.25-4,719.20

Finding the Fourth Proportional to 7,376.40, 10,177.25 and 4,719.20

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Solution

The fourth proportional to 7,376.40, 10,177.25 and 4,719.20 is: 6,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.40 : 10,177.25 = 4,719.20 : x
  2. Step 2: Convert to fraction form
    7,376.40/10,177.25 = 4,719.20/x
  3. Step 3: Cross multiply
    7,376.40x = 10,177.25 × 4,719.20
  4. Step 4: Simplify right side
    7,376.40x = 48,028,403.72
  5. Step 5: Solve for x
    x = 48,028,403.72/7,376.40
  6. Step 6: Final answer
    x = 6,511.09

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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.