Home / 8,518.46-12,779.74-2,675.07

Finding the Fourth Proportional to 8,518.46, 12,779.74 and 2,675.07

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Solution

The fourth proportional to 8,518.46, 12,779.74 and 2,675.07 is: 4,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.46 : 12,779.74 = 2,675.07 : x
  2. Step 2: Convert to fraction form
    8,518.46/12,779.74 = 2,675.07/x
  3. Step 3: Cross multiply
    8,518.46x = 12,779.74 × 2,675.07
  4. Step 4: Simplify right side
    8,518.46x = 34,186,699.08
  5. Step 5: Solve for x
    x = 34,186,699.08/8,518.46
  6. Step 6: Final answer
    x = 4,013.25

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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.