Home / 4,253.16-6,381.57-1,478.32

Finding the Fourth Proportional to 4,253.16, 6,381.57 and 1,478.32

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Solution

The fourth proportional to 4,253.16, 6,381.57 and 1,478.32 is: 2,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.16 : 6,381.57 = 1,478.32 : x
  2. Step 2: Convert to fraction form
    4,253.16/6,381.57 = 1,478.32/x
  3. Step 3: Cross multiply
    4,253.16x = 6,381.57 × 1,478.32
  4. Step 4: Simplify right side
    4,253.16x = 9,434,010.54
  5. Step 5: Solve for x
    x = 9,434,010.54/4,253.16
  6. Step 6: Final answer
    x = 2,218.12

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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.