Home / 6,389.41-8,816.04-4,030.18

Finding the Fourth Proportional to 6,389.41, 8,816.04 and 4,030.18

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Solution

The fourth proportional to 6,389.41, 8,816.04 and 4,030.18 is: 5,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.41 : 8,816.04 = 4,030.18 : x
  2. Step 2: Convert to fraction form
    6,389.41/8,816.04 = 4,030.18/x
  3. Step 3: Cross multiply
    6,389.41x = 8,816.04 × 4,030.18
  4. Step 4: Simplify right side
    6,389.41x = 35,530,228.09
  5. Step 5: Solve for x
    x = 35,530,228.09/6,389.41
  6. Step 6: Final answer
    x = 5,560.80

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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.