Home / 4,030.84-5,557.62-2,769.40

Finding the Fourth Proportional to 4,030.84, 5,557.62 and 2,769.40

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Solution

The fourth proportional to 4,030.84, 5,557.62 and 2,769.40 is: 3,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.84 : 5,557.62 = 2,769.40 : x
  2. Step 2: Convert to fraction form
    4,030.84/5,557.62 = 2,769.40/x
  3. Step 3: Cross multiply
    4,030.84x = 5,557.62 × 2,769.40
  4. Step 4: Simplify right side
    4,030.84x = 15,391,272.83
  5. Step 5: Solve for x
    x = 15,391,272.83/4,030.84
  6. Step 6: Final answer
    x = 3,818.38

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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.