Home / 4,528.40-6,231.48-4,005.68

Finding the Fourth Proportional to 4,528.40, 6,231.48 and 4,005.68

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Solution

The fourth proportional to 4,528.40, 6,231.48 and 4,005.68 is: 5,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,528.40 : 6,231.48 = 4,005.68 : x
  2. Step 2: Convert to fraction form
    4,528.40/6,231.48 = 4,005.68/x
  3. Step 3: Cross multiply
    4,528.40x = 6,231.48 × 4,005.68
  4. Step 4: Simplify right side
    4,528.40x = 24,961,314.81
  5. Step 5: Solve for x
    x = 24,961,314.81/4,528.40
  6. Step 6: Final answer
    x = 5,512.17

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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.