Home / 5,269.48-7,271.88-2,911.60

Finding the Fourth Proportional to 5,269.48, 7,271.88 and 2,911.60

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Solution

The fourth proportional to 5,269.48, 7,271.88 and 2,911.60 is: 4,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.48 : 7,271.88 = 2,911.60 : x
  2. Step 2: Convert to fraction form
    5,269.48/7,271.88 = 2,911.60/x
  3. Step 3: Cross multiply
    5,269.48x = 7,271.88 × 2,911.60
  4. Step 4: Simplify right side
    5,269.48x = 21,172,805.81
  5. Step 5: Solve for x
    x = 21,172,805.81/5,269.48
  6. Step 6: Final answer
    x = 4,018.01

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1.5x scale

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.