Home / 7,291.64-10,939.38-2,612.12

Finding the Fourth Proportional to 7,291.64, 10,939.38 and 2,612.12

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Solution

The fourth proportional to 7,291.64, 10,939.38 and 2,612.12 is: 3,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.64 : 10,939.38 = 2,612.12 : x
  2. Step 2: Convert to fraction form
    7,291.64/10,939.38 = 2,612.12/x
  3. Step 3: Cross multiply
    7,291.64x = 10,939.38 × 2,612.12
  4. Step 4: Simplify right side
    7,291.64x = 28,574,973.29
  5. Step 5: Solve for x
    x = 28,574,973.29/7,291.64
  6. Step 6: Final answer
    x = 3,918.87

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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.