Home / 4,389.42-6,574.40-3,153.13

Finding the Fourth Proportional to 4,389.42, 6,574.40 and 3,153.13

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Solution

The fourth proportional to 4,389.42, 6,574.40 and 3,153.13 is: 4,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.42 : 6,574.40 = 3,153.13 : x
  2. Step 2: Convert to fraction form
    4,389.42/6,574.40 = 3,153.13/x
  3. Step 3: Cross multiply
    4,389.42x = 6,574.40 × 3,153.13
  4. Step 4: Simplify right side
    4,389.42x = 20,729,917.49
  5. Step 5: Solve for x
    x = 20,729,917.49/4,389.42
  6. Step 6: Final answer
    x = 4,722.70

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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.