Home / 7,318.90-10,099.98-4,175.14

Finding the Fourth Proportional to 7,318.90, 10,099.98 and 4,175.14

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Solution

The fourth proportional to 7,318.90, 10,099.98 and 4,175.14 is: 5,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.90 : 10,099.98 = 4,175.14 : x
  2. Step 2: Convert to fraction form
    7,318.90/10,099.98 = 4,175.14/x
  3. Step 3: Cross multiply
    7,318.90x = 10,099.98 × 4,175.14
  4. Step 4: Simplify right side
    7,318.90x = 42,168,830.50
  5. Step 5: Solve for x
    x = 42,168,830.50/7,318.90
  6. Step 6: Final answer
    x = 5,761.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.