Home / 5,152.50-7,730.04-2,381.11

Finding the Fourth Proportional to 5,152.50, 7,730.04 and 2,381.11

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Solution

The fourth proportional to 5,152.50, 7,730.04 and 2,381.11 is: 3,572.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.50 : 7,730.04 = 2,381.11 : x
  2. Step 2: Convert to fraction form
    5,152.50/7,730.04 = 2,381.11/x
  3. Step 3: Cross multiply
    5,152.50x = 7,730.04 × 2,381.11
  4. Step 4: Simplify right side
    5,152.50x = 18,406,075.54
  5. Step 5: Solve for x
    x = 18,406,075.54/5,152.50
  6. Step 6: Final answer
    x = 3,572.26

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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.