Home / 6,776.10-10,176.30-6,557.40

Finding the Fourth Proportional to 6,776.10, 10,176.30 and 6,557.40

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Solution

The fourth proportional to 6,776.10, 10,176.30 and 6,557.40 is: 9,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.10 : 10,176.30 = 6,557.40 : x
  2. Step 2: Convert to fraction form
    6,776.10/10,176.30 = 6,557.40/x
  3. Step 3: Cross multiply
    6,776.10x = 10,176.30 × 6,557.40
  4. Step 4: Simplify right side
    6,776.10x = 66,730,069.62
  5. Step 5: Solve for x
    x = 66,730,069.62/6,776.10
  6. Step 6: Final answer
    x = 9,847.86

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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.