Home / 8,536.20-11,779.80-4,810.20

Finding the Fourth Proportional to 8,536.20, 11,779.80 and 4,810.20

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Solution

The fourth proportional to 8,536.20, 11,779.80 and 4,810.20 is: 6,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.20 : 11,779.80 = 4,810.20 : x
  2. Step 2: Convert to fraction form
    8,536.20/11,779.80 = 4,810.20/x
  3. Step 3: Cross multiply
    8,536.20x = 11,779.80 × 4,810.20
  4. Step 4: Simplify right side
    8,536.20x = 56,663,193.96
  5. Step 5: Solve for x
    x = 56,663,193.96/8,536.20
  6. Step 6: Final answer
    x = 6,637.99

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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.