Home / 4,685.04-7,021.80-2,490.48

Finding the Fourth Proportional to 4,685.04, 7,021.80 and 2,490.48

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Solution

The fourth proportional to 4,685.04, 7,021.80 and 2,490.48 is: 3,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.04 : 7,021.80 = 2,490.48 : x
  2. Step 2: Convert to fraction form
    4,685.04/7,021.80 = 2,490.48/x
  3. Step 3: Cross multiply
    4,685.04x = 7,021.80 × 2,490.48
  4. Step 4: Simplify right side
    4,685.04x = 17,487,652.46
  5. Step 5: Solve for x
    x = 17,487,652.46/4,685.04
  6. Step 6: Final answer
    x = 3,732.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.