Home / 7,415.51-10,228.67-5,176.56

Finding the Fourth Proportional to 7,415.51, 10,228.67 and 5,176.56

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Solution

The fourth proportional to 7,415.51, 10,228.67 and 5,176.56 is: 7,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.51 : 10,228.67 = 5,176.56 : x
  2. Step 2: Convert to fraction form
    7,415.51/10,228.67 = 5,176.56/x
  3. Step 3: Cross multiply
    7,415.51x = 10,228.67 × 5,176.56
  4. Step 4: Simplify right side
    7,415.51x = 52,949,323.98
  5. Step 5: Solve for x
    x = 52,949,323.98/7,415.51
  6. Step 6: Final answer
    x = 7,140.35

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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.