Home / 7,918.02-11,862.45-7,043.22

Finding the Fourth Proportional to 7,918.02, 11,862.45 and 7,043.22

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Solution

The fourth proportional to 7,918.02, 11,862.45 and 7,043.22 is: 10,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.02 : 11,862.45 = 7,043.22 : x
  2. Step 2: Convert to fraction form
    7,918.02/11,862.45 = 7,043.22/x
  3. Step 3: Cross multiply
    7,918.02x = 11,862.45 × 7,043.22
  4. Step 4: Simplify right side
    7,918.02x = 83,549,845.09
  5. Step 5: Solve for x
    x = 83,549,845.09/7,918.02
  6. Step 6: Final answer
    x = 10,551.86

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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.