Home / 4,639.48-6,397.32-3,574.87

Finding the Fourth Proportional to 4,639.48, 6,397.32 and 3,574.87

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Solution

The fourth proportional to 4,639.48, 6,397.32 and 3,574.87 is: 4,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.48 : 6,397.32 = 3,574.87 : x
  2. Step 2: Convert to fraction form
    4,639.48/6,397.32 = 3,574.87/x
  3. Step 3: Cross multiply
    4,639.48x = 6,397.32 × 3,574.87
  4. Step 4: Simplify right side
    4,639.48x = 22,869,587.35
  5. Step 5: Solve for x
    x = 22,869,587.35/4,639.48
  6. Step 6: Final answer
    x = 4,929.34

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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.