Home / 6,776.30-10,148.60-5,861.90

Finding the Fourth Proportional to 6,776.30, 10,148.60 and 5,861.90

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Solution

The fourth proportional to 6,776.30, 10,148.60 and 5,861.90 is: 8,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.30 : 10,148.60 = 5,861.90 : x
  2. Step 2: Convert to fraction form
    6,776.30/10,148.60 = 5,861.90/x
  3. Step 3: Cross multiply
    6,776.30x = 10,148.60 × 5,861.90
  4. Step 4: Simplify right side
    6,776.30x = 59,490,078.34
  5. Step 5: Solve for x
    x = 59,490,078.34/6,776.30
  6. Step 6: Final answer
    x = 8,779.14

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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.