Home / 7,298.78-10,071.90-4,154.75

Finding the Fourth Proportional to 7,298.78, 10,071.90 and 4,154.75

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Solution

The fourth proportional to 7,298.78, 10,071.90 and 4,154.75 is: 5,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.78 : 10,071.90 = 4,154.75 : x
  2. Step 2: Convert to fraction form
    7,298.78/10,071.90 = 4,154.75/x
  3. Step 3: Cross multiply
    7,298.78x = 10,071.90 × 4,154.75
  4. Step 4: Simplify right side
    7,298.78x = 41,846,226.53
  5. Step 5: Solve for x
    x = 41,846,226.53/7,298.78
  6. Step 6: Final answer
    x = 5,733.32

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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.