Home / 4,458.66-6,146.54-3,128.24

Finding the Fourth Proportional to 4,458.66, 6,146.54 and 3,128.24

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Solution

The fourth proportional to 4,458.66, 6,146.54 and 3,128.24 is: 4,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.66 : 6,146.54 = 3,128.24 : x
  2. Step 2: Convert to fraction form
    4,458.66/6,146.54 = 3,128.24/x
  3. Step 3: Cross multiply
    4,458.66x = 6,146.54 × 3,128.24
  4. Step 4: Simplify right side
    4,458.66x = 19,227,852.29
  5. Step 5: Solve for x
    x = 19,227,852.29/4,458.66
  6. Step 6: Final answer
    x = 4,312.47

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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.