Home / 7,386.71-11,080.03-1,840.03

Finding the Fourth Proportional to 7,386.71, 11,080.03 and 1,840.03

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Solution

The fourth proportional to 7,386.71, 11,080.03 and 1,840.03 is: 2,760.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.71 : 11,080.03 = 1,840.03 : x
  2. Step 2: Convert to fraction form
    7,386.71/11,080.03 = 1,840.03/x
  3. Step 3: Cross multiply
    7,386.71x = 11,080.03 × 1,840.03
  4. Step 4: Simplify right side
    7,386.71x = 20,387,587.60
  5. Step 5: Solve for x
    x = 20,387,587.60/7,386.71
  6. Step 6: Final answer
    x = 2,760.04

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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.