Home / 9,186.16-13,779.36-2,612.40

Finding the Fourth Proportional to 9,186.16, 13,779.36 and 2,612.40

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Solution

The fourth proportional to 9,186.16, 13,779.36 and 2,612.40 is: 3,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.16 : 13,779.36 = 2,612.40 : x
  2. Step 2: Convert to fraction form
    9,186.16/13,779.36 = 2,612.40/x
  3. Step 3: Cross multiply
    9,186.16x = 13,779.36 × 2,612.40
  4. Step 4: Simplify right side
    9,186.16x = 35,997,200.06
  5. Step 5: Solve for x
    x = 35,997,200.06/9,186.16
  6. Step 6: Final answer
    x = 3,918.63

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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.