Home / 10,279.16-15,419.78-2,883.64

Finding the Fourth Proportional to 10,279.16, 15,419.78 and 2,883.64

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Solution

The fourth proportional to 10,279.16, 15,419.78 and 2,883.64 is: 4,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.16 : 15,419.78 = 2,883.64 : x
  2. Step 2: Convert to fraction form
    10,279.16/15,419.78 = 2,883.64/x
  3. Step 3: Cross multiply
    10,279.16x = 15,419.78 × 2,883.64
  4. Step 4: Simplify right side
    10,279.16x = 44,465,094.40
  5. Step 5: Solve for x
    x = 44,465,094.40/10,279.16
  6. Step 6: Final answer
    x = 4,325.75

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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.