Home / 4,681.09-6,457.90-2,691.22

Finding the Fourth Proportional to 4,681.09, 6,457.90 and 2,691.22

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Solution

The fourth proportional to 4,681.09, 6,457.90 and 2,691.22 is: 3,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.09 : 6,457.90 = 2,691.22 : x
  2. Step 2: Convert to fraction form
    4,681.09/6,457.90 = 2,691.22/x
  3. Step 3: Cross multiply
    4,681.09x = 6,457.90 × 2,691.22
  4. Step 4: Simplify right side
    4,681.09x = 17,379,647.13
  5. Step 5: Solve for x
    x = 17,379,647.13/4,681.09
  6. Step 6: Final answer
    x = 3,712.74

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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.