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Finding the Fourth Proportional to 7,099.04, 10,649.04 and 2,657.12

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Solution

The fourth proportional to 7,099.04, 10,649.04 and 2,657.12 is: 3,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.04 : 10,649.04 = 2,657.12 : x
  2. Step 2: Convert to fraction form
    7,099.04/10,649.04 = 2,657.12/x
  3. Step 3: Cross multiply
    7,099.04x = 10,649.04 × 2,657.12
  4. Step 4: Simplify right side
    7,099.04x = 28,295,777.16
  5. Step 5: Solve for x
    x = 28,295,777.16/7,099.04
  6. Step 6: Final answer
    x = 3,985.86

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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.