Home / 4,322.16-6,478.38-1,858.14

Finding the Fourth Proportional to 4,322.16, 6,478.38 and 1,858.14

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Solution

The fourth proportional to 4,322.16, 6,478.38 and 1,858.14 is: 2,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.16 : 6,478.38 = 1,858.14 : x
  2. Step 2: Convert to fraction form
    4,322.16/6,478.38 = 1,858.14/x
  3. Step 3: Cross multiply
    4,322.16x = 6,478.38 × 1,858.14
  4. Step 4: Simplify right side
    4,322.16x = 12,037,737.01
  5. Step 5: Solve for x
    x = 12,037,737.01/4,322.16
  6. Step 6: Final answer
    x = 2,785.12

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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.