Home / 4,699.28-6,485.04-2,574.78

Finding the Fourth Proportional to 4,699.28, 6,485.04 and 2,574.78

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Solution

The fourth proportional to 4,699.28, 6,485.04 and 2,574.78 is: 3,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.28 : 6,485.04 = 2,574.78 : x
  2. Step 2: Convert to fraction form
    4,699.28/6,485.04 = 2,574.78/x
  3. Step 3: Cross multiply
    4,699.28x = 6,485.04 × 2,574.78
  4. Step 4: Simplify right side
    4,699.28x = 16,697,551.29
  5. Step 5: Solve for x
    x = 16,697,551.29/4,699.28
  6. Step 6: Final answer
    x = 3,553.22

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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.