Home / 4,838.68-6,678.80-3,160.35

Finding the Fourth Proportional to 4,838.68, 6,678.80 and 3,160.35

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Solution

The fourth proportional to 4,838.68, 6,678.80 and 3,160.35 is: 4,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.68 : 6,678.80 = 3,160.35 : x
  2. Step 2: Convert to fraction form
    4,838.68/6,678.80 = 3,160.35/x
  3. Step 3: Cross multiply
    4,838.68x = 6,678.80 × 3,160.35
  4. Step 4: Simplify right side
    4,838.68x = 21,107,341.63
  5. Step 5: Solve for x
    x = 21,107,341.63/4,838.68
  6. Step 6: Final answer
    x = 4,362.21

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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.