Home / 9,779.46-13,474.50-6,630.18

Finding the Fourth Proportional to 9,779.46, 13,474.50 and 6,630.18

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Solution

The fourth proportional to 9,779.46, 13,474.50 and 6,630.18 is: 9,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.46 : 13,474.50 = 6,630.18 : x
  2. Step 2: Convert to fraction form
    9,779.46/13,474.50 = 6,630.18/x
  3. Step 3: Cross multiply
    9,779.46x = 13,474.50 × 6,630.18
  4. Step 4: Simplify right side
    9,779.46x = 89,338,360.41
  5. Step 5: Solve for x
    x = 89,338,360.41/9,779.46
  6. Step 6: Final answer
    x = 9,135.31

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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.