Home / 7,258.56-10,872.08-4,485.92

Finding the Fourth Proportional to 7,258.56, 10,872.08 and 4,485.92

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Solution

The fourth proportional to 7,258.56, 10,872.08 and 4,485.92 is: 6,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.56 : 10,872.08 = 4,485.92 : x
  2. Step 2: Convert to fraction form
    7,258.56/10,872.08 = 4,485.92/x
  3. Step 3: Cross multiply
    7,258.56x = 10,872.08 × 4,485.92
  4. Step 4: Simplify right side
    7,258.56x = 48,771,281.11
  5. Step 5: Solve for x
    x = 48,771,281.11/7,258.56
  6. Step 6: Final answer
    x = 6,719.14

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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.