Home / 7,270.79-10,908.37-2,590.19

Finding the Fourth Proportional to 7,270.79, 10,908.37 and 2,590.19

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Solution

The fourth proportional to 7,270.79, 10,908.37 and 2,590.19 is: 3,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.79 : 10,908.37 = 2,590.19 : x
  2. Step 2: Convert to fraction form
    7,270.79/10,908.37 = 2,590.19/x
  3. Step 3: Cross multiply
    7,270.79x = 10,908.37 × 2,590.19
  4. Step 4: Simplify right side
    7,270.79x = 28,254,720.04
  5. Step 5: Solve for x
    x = 28,254,720.04/7,270.79
  6. Step 6: Final answer
    x = 3,886.06

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1.5x scale

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.