Home / 9,779.62-13,490.88-6,188.51

Finding the Fourth Proportional to 9,779.62, 13,490.88 and 6,188.51

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Solution

The fourth proportional to 9,779.62, 13,490.88 and 6,188.51 is: 8,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.62 : 13,490.88 = 6,188.51 : x
  2. Step 2: Convert to fraction form
    9,779.62/13,490.88 = 6,188.51/x
  3. Step 3: Cross multiply
    9,779.62x = 13,490.88 × 6,188.51
  4. Step 4: Simplify right side
    9,779.62x = 83,488,378.33
  5. Step 5: Solve for x
    x = 83,488,378.33/9,779.62
  6. Step 6: Final answer
    x = 8,536.98

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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.