Home / 7,450.25-10,280.70-4,263.57

Finding the Fourth Proportional to 7,450.25, 10,280.70 and 4,263.57

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Solution

The fourth proportional to 7,450.25, 10,280.70 and 4,263.57 is: 5,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.25 : 10,280.70 = 4,263.57 : x
  2. Step 2: Convert to fraction form
    7,450.25/10,280.70 = 4,263.57/x
  3. Step 3: Cross multiply
    7,450.25x = 10,280.70 × 4,263.57
  4. Step 4: Simplify right side
    7,450.25x = 43,832,484.10
  5. Step 5: Solve for x
    x = 43,832,484.10/7,450.25
  6. Step 6: Final answer
    x = 5,883.36

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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.