Home / 7,062.40-9,745.01-4,077.66

Finding the Fourth Proportional to 7,062.40, 9,745.01 and 4,077.66

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Solution

The fourth proportional to 7,062.40, 9,745.01 and 4,077.66 is: 5,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.40 : 9,745.01 = 4,077.66 : x
  2. Step 2: Convert to fraction form
    7,062.40/9,745.01 = 4,077.66/x
  3. Step 3: Cross multiply
    7,062.40x = 9,745.01 × 4,077.66
  4. Step 4: Simplify right side
    7,062.40x = 39,736,837.48
  5. Step 5: Solve for x
    x = 39,736,837.48/7,062.40
  6. Step 6: Final answer
    x = 5,626.53

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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.