Home / 7,412.02-11,111.49-2,798.26

Finding the Fourth Proportional to 7,412.02, 11,111.49 and 2,798.26

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Solution

The fourth proportional to 7,412.02, 11,111.49 and 2,798.26 is: 4,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.02 : 11,111.49 = 2,798.26 : x
  2. Step 2: Convert to fraction form
    7,412.02/11,111.49 = 2,798.26/x
  3. Step 3: Cross multiply
    7,412.02x = 11,111.49 × 2,798.26
  4. Step 4: Simplify right side
    7,412.02x = 31,092,838.01
  5. Step 5: Solve for x
    x = 31,092,838.01/7,412.02
  6. Step 6: Final answer
    x = 4,194.92

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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.