Home / 7,079.22-10,672.20-6,603.66

Finding the Fourth Proportional to 7,079.22, 10,672.20 and 6,603.66

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Solution

The fourth proportional to 7,079.22, 10,672.20 and 6,603.66 is: 9,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.22 : 10,672.20 = 6,603.66 : x
  2. Step 2: Convert to fraction form
    7,079.22/10,672.20 = 6,603.66/x
  3. Step 3: Cross multiply
    7,079.22x = 10,672.20 × 6,603.66
  4. Step 4: Simplify right side
    7,079.22x = 70,475,580.25
  5. Step 5: Solve for x
    x = 70,475,580.25/7,079.22
  6. Step 6: Final answer
    x = 9,955.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.