Home / 7,390.12-11,077.98-2,457.22

Finding the Fourth Proportional to 7,390.12, 11,077.98 and 2,457.22

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Solution

The fourth proportional to 7,390.12, 11,077.98 and 2,457.22 is: 3,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.12 : 11,077.98 = 2,457.22 : x
  2. Step 2: Convert to fraction form
    7,390.12/11,077.98 = 2,457.22/x
  3. Step 3: Cross multiply
    7,390.12x = 11,077.98 × 2,457.22
  4. Step 4: Simplify right side
    7,390.12x = 27,221,034.02
  5. Step 5: Solve for x
    x = 27,221,034.02/7,390.12
  6. Step 6: Final answer
    x = 3,683.44

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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.