Home / 5,269.13-7,271.40-2,911.29

Finding the Fourth Proportional to 5,269.13, 7,271.40 and 2,911.29

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Solution

The fourth proportional to 5,269.13, 7,271.40 and 2,911.29 is: 4,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.13 : 7,271.40 = 2,911.29 : x
  2. Step 2: Convert to fraction form
    5,269.13/7,271.40 = 2,911.29/x
  3. Step 3: Cross multiply
    5,269.13x = 7,271.40 × 2,911.29
  4. Step 4: Simplify right side
    5,269.13x = 21,169,154.11
  5. Step 5: Solve for x
    x = 21,169,154.11/5,269.13
  6. Step 6: Final answer
    x = 4,017.58

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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.