Home / 5,119.29-7,063.65-2,994.71

Finding the Fourth Proportional to 5,119.29, 7,063.65 and 2,994.71

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Solution

The fourth proportional to 5,119.29, 7,063.65 and 2,994.71 is: 4,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.29 : 7,063.65 = 2,994.71 : x
  2. Step 2: Convert to fraction form
    5,119.29/7,063.65 = 2,994.71/x
  3. Step 3: Cross multiply
    5,119.29x = 7,063.65 × 2,994.71
  4. Step 4: Simplify right side
    5,119.29x = 21,153,547.97
  5. Step 5: Solve for x
    x = 21,153,547.97/5,119.29
  6. Step 6: Final answer
    x = 4,132.13

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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.