Home / 5,083.98-7,015.05-2,988.51

Finding the Fourth Proportional to 5,083.98, 7,015.05 and 2,988.51

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Solution

The fourth proportional to 5,083.98, 7,015.05 and 2,988.51 is: 4,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.98 : 7,015.05 = 2,988.51 : x
  2. Step 2: Convert to fraction form
    5,083.98/7,015.05 = 2,988.51/x
  3. Step 3: Cross multiply
    5,083.98x = 7,015.05 × 2,988.51
  4. Step 4: Simplify right side
    5,083.98x = 20,964,547.08
  5. Step 5: Solve for x
    x = 20,964,547.08/5,083.98
  6. Step 6: Final answer
    x = 4,123.65

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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.