Home / 6,439.13-8,885.55-3,606.02

Finding the Fourth Proportional to 6,439.13, 8,885.55 and 3,606.02

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Solution

The fourth proportional to 6,439.13, 8,885.55 and 3,606.02 is: 4,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.13 : 8,885.55 = 3,606.02 : x
  2. Step 2: Convert to fraction form
    6,439.13/8,885.55 = 3,606.02/x
  3. Step 3: Cross multiply
    6,439.13x = 8,885.55 × 3,606.02
  4. Step 4: Simplify right side
    6,439.13x = 32,041,426.58
  5. Step 5: Solve for x
    x = 32,041,426.58/6,439.13
  6. Step 6: Final answer
    x = 4,976.05

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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.