Home / 9,985.62-13,779.70-5,733.70

Finding the Fourth Proportional to 9,985.62, 13,779.70 and 5,733.70

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Solution

The fourth proportional to 9,985.62, 13,779.70 and 5,733.70 is: 7,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.62 : 13,779.70 = 5,733.70 : x
  2. Step 2: Convert to fraction form
    9,985.62/13,779.70 = 5,733.70/x
  3. Step 3: Cross multiply
    9,985.62x = 13,779.70 × 5,733.70
  4. Step 4: Simplify right side
    9,985.62x = 79,008,617.11
  5. Step 5: Solve for x
    x = 79,008,617.11/9,985.62
  6. Step 6: Final answer
    x = 7,912.24

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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.