Home / 7,521.66-10,376.37-4,869.86

Finding the Fourth Proportional to 7,521.66, 10,376.37 and 4,869.86

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Solution

The fourth proportional to 7,521.66, 10,376.37 and 4,869.86 is: 6,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.66 : 10,376.37 = 4,869.86 : x
  2. Step 2: Convert to fraction form
    7,521.66/10,376.37 = 4,869.86/x
  3. Step 3: Cross multiply
    7,521.66x = 10,376.37 × 4,869.86
  4. Step 4: Simplify right side
    7,521.66x = 50,531,417.33
  5. Step 5: Solve for x
    x = 50,531,417.33/7,521.66
  6. Step 6: Final answer
    x = 6,718.12

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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.