Home / 7,867.10-11,801.45-2,602.13

Finding the Fourth Proportional to 7,867.10, 11,801.45 and 2,602.13

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Solution

The fourth proportional to 7,867.10, 11,801.45 and 2,602.13 is: 3,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.10 : 11,801.45 = 2,602.13 : x
  2. Step 2: Convert to fraction form
    7,867.10/11,801.45 = 2,602.13/x
  3. Step 3: Cross multiply
    7,867.10x = 11,801.45 × 2,602.13
  4. Step 4: Simplify right side
    7,867.10x = 30,708,839.95
  5. Step 5: Solve for x
    x = 30,708,839.95/7,867.10
  6. Step 6: Final answer
    x = 3,903.45

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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.