Home / 7,490.53-11,237.60-2,810.57

Finding the Fourth Proportional to 7,490.53, 11,237.60 and 2,810.57

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Solution

The fourth proportional to 7,490.53, 11,237.60 and 2,810.57 is: 4,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.53 : 11,237.60 = 2,810.57 : x
  2. Step 2: Convert to fraction form
    7,490.53/11,237.60 = 2,810.57/x
  3. Step 3: Cross multiply
    7,490.53x = 11,237.60 × 2,810.57
  4. Step 4: Simplify right side
    7,490.53x = 31,584,095.23
  5. Step 5: Solve for x
    x = 31,584,095.23/7,490.53
  6. Step 6: Final answer
    x = 4,216.54

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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.