Home / 7,328.79-10,988.76-3,573.15

Finding the Fourth Proportional to 7,328.79, 10,988.76 and 3,573.15

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Solution

The fourth proportional to 7,328.79, 10,988.76 and 3,573.15 is: 5,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.79 : 10,988.76 = 3,573.15 : x
  2. Step 2: Convert to fraction form
    7,328.79/10,988.76 = 3,573.15/x
  3. Step 3: Cross multiply
    7,328.79x = 10,988.76 × 3,573.15
  4. Step 4: Simplify right side
    7,328.79x = 39,264,487.79
  5. Step 5: Solve for x
    x = 39,264,487.79/7,328.79
  6. Step 6: Final answer
    x = 5,357.57

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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.