Home / 5,373.65-7,415.88-3,015.95

Finding the Fourth Proportional to 5,373.65, 7,415.88 and 3,015.95

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Solution

The fourth proportional to 5,373.65, 7,415.88 and 3,015.95 is: 4,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.65 : 7,415.88 = 3,015.95 : x
  2. Step 2: Convert to fraction form
    5,373.65/7,415.88 = 3,015.95/x
  3. Step 3: Cross multiply
    5,373.65x = 7,415.88 × 3,015.95
  4. Step 4: Simplify right side
    5,373.65x = 22,365,923.29
  5. Step 5: Solve for x
    x = 22,365,923.29/5,373.65
  6. Step 6: Final answer
    x = 4,162.15

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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.