Home / 4,148.40-5,723.28-3,152.64

Finding the Fourth Proportional to 4,148.40, 5,723.28 and 3,152.64

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Solution

The fourth proportional to 4,148.40, 5,723.28 and 3,152.64 is: 4,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.40 : 5,723.28 = 3,152.64 : x
  2. Step 2: Convert to fraction form
    4,148.40/5,723.28 = 3,152.64/x
  3. Step 3: Cross multiply
    4,148.40x = 5,723.28 × 3,152.64
  4. Step 4: Simplify right side
    4,148.40x = 18,043,441.46
  5. Step 5: Solve for x
    x = 18,043,441.46/4,148.40
  6. Step 6: Final answer
    x = 4,349.49

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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.