Home / 9,325.70-13,988.59-3,779.15

Finding the Fourth Proportional to 9,325.70, 13,988.59 and 3,779.15

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Solution

The fourth proportional to 9,325.70, 13,988.59 and 3,779.15 is: 5,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.70 : 13,988.59 = 3,779.15 : x
  2. Step 2: Convert to fraction form
    9,325.70/13,988.59 = 3,779.15/x
  3. Step 3: Cross multiply
    9,325.70x = 13,988.59 × 3,779.15
  4. Step 4: Simplify right side
    9,325.70x = 52,864,979.90
  5. Step 5: Solve for x
    x = 52,864,979.90/9,325.70
  6. Step 6: Final answer
    x = 5,668.74

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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.