Home / 4,315.64-5,955.78-2,427.20

Finding the Fourth Proportional to 4,315.64, 5,955.78 and 2,427.20

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Solution

The fourth proportional to 4,315.64, 5,955.78 and 2,427.20 is: 3,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.64 : 5,955.78 = 2,427.20 : x
  2. Step 2: Convert to fraction form
    4,315.64/5,955.78 = 2,427.20/x
  3. Step 3: Cross multiply
    4,315.64x = 5,955.78 × 2,427.20
  4. Step 4: Simplify right side
    4,315.64x = 14,455,857.22
  5. Step 5: Solve for x
    x = 14,455,857.22/4,315.64
  6. Step 6: Final answer
    x = 3,349.65

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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.