Home / 7,681.26-11,521.35-4,384.02

Finding the Fourth Proportional to 7,681.26, 11,521.35 and 4,384.02

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Solution

The fourth proportional to 7,681.26, 11,521.35 and 4,384.02 is: 6,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.26 : 11,521.35 = 4,384.02 : x
  2. Step 2: Convert to fraction form
    7,681.26/11,521.35 = 4,384.02/x
  3. Step 3: Cross multiply
    7,681.26x = 11,521.35 × 4,384.02
  4. Step 4: Simplify right side
    7,681.26x = 50,509,828.83
  5. Step 5: Solve for x
    x = 50,509,828.83/7,681.26
  6. Step 6: Final answer
    x = 6,575.72

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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.