Home / 9,148.36-12,624.81-4,956.61

Finding the Fourth Proportional to 9,148.36, 12,624.81 and 4,956.61

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Solution

The fourth proportional to 9,148.36, 12,624.81 and 4,956.61 is: 6,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.36 : 12,624.81 = 4,956.61 : x
  2. Step 2: Convert to fraction form
    9,148.36/12,624.81 = 4,956.61/x
  3. Step 3: Cross multiply
    9,148.36x = 12,624.81 × 4,956.61
  4. Step 4: Simplify right side
    9,148.36x = 62,576,260.90
  5. Step 5: Solve for x
    x = 62,576,260.90/9,148.36
  6. Step 6: Final answer
    x = 6,840.16

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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.