Home / 4,478.07-6,718.08-1,358.32

Finding the Fourth Proportional to 4,478.07, 6,718.08 and 1,358.32

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Solution

The fourth proportional to 4,478.07, 6,718.08 and 1,358.32 is: 2,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.07 : 6,718.08 = 1,358.32 : x
  2. Step 2: Convert to fraction form
    4,478.07/6,718.08 = 1,358.32/x
  3. Step 3: Cross multiply
    4,478.07x = 6,718.08 × 1,358.32
  4. Step 4: Simplify right side
    4,478.07x = 9,125,272.51
  5. Step 5: Solve for x
    x = 9,125,272.51/4,478.07
  6. Step 6: Final answer
    x = 2,037.77

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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.