Home / 5,142.35-7,095.68-2,904.18

Finding the Fourth Proportional to 5,142.35, 7,095.68 and 2,904.18

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Solution

The fourth proportional to 5,142.35, 7,095.68 and 2,904.18 is: 4,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.35 : 7,095.68 = 2,904.18 : x
  2. Step 2: Convert to fraction form
    5,142.35/7,095.68 = 2,904.18/x
  3. Step 3: Cross multiply
    5,142.35x = 7,095.68 × 2,904.18
  4. Step 4: Simplify right side
    5,142.35x = 20,607,117.42
  5. Step 5: Solve for x
    x = 20,607,117.42/5,142.35
  6. Step 6: Final answer
    x = 4,007.34

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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.