Home / 5,457.12-8,190.54-2,537.07

Finding the Fourth Proportional to 5,457.12, 8,190.54 and 2,537.07

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Solution

The fourth proportional to 5,457.12, 8,190.54 and 2,537.07 is: 3,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.12 : 8,190.54 = 2,537.07 : x
  2. Step 2: Convert to fraction form
    5,457.12/8,190.54 = 2,537.07/x
  3. Step 3: Cross multiply
    5,457.12x = 8,190.54 × 2,537.07
  4. Step 4: Simplify right side
    5,457.12x = 20,779,973.32
  5. Step 5: Solve for x
    x = 20,779,973.32/5,457.12
  6. Step 6: Final answer
    x = 3,807.86

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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.