Home / 4,805.36-6,631.09-2,681.20

Finding the Fourth Proportional to 4,805.36, 6,631.09 and 2,681.20

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Solution

The fourth proportional to 4,805.36, 6,631.09 and 2,681.20 is: 3,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.36 : 6,631.09 = 2,681.20 : x
  2. Step 2: Convert to fraction form
    4,805.36/6,631.09 = 2,681.20/x
  3. Step 3: Cross multiply
    4,805.36x = 6,631.09 × 2,681.20
  4. Step 4: Simplify right side
    4,805.36x = 17,779,255.23
  5. Step 5: Solve for x
    x = 17,779,255.23/4,805.36
  6. Step 6: Final answer
    x = 3,699.88

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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.