Home / 9,890.16-14,828.16-4,956.20

Finding the Fourth Proportional to 9,890.16, 14,828.16 and 4,956.20

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Solution

The fourth proportional to 9,890.16, 14,828.16 and 4,956.20 is: 7,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.16 : 14,828.16 = 4,956.20 : x
  2. Step 2: Convert to fraction form
    9,890.16/14,828.16 = 4,956.20/x
  3. Step 3: Cross multiply
    9,890.16x = 14,828.16 × 4,956.20
  4. Step 4: Simplify right side
    9,890.16x = 73,491,326.59
  5. Step 5: Solve for x
    x = 73,491,326.59/9,890.16
  6. Step 6: Final answer
    x = 7,430.75

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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.