Home / 7,188.51-10,776.36-2,804.95

Finding the Fourth Proportional to 7,188.51, 10,776.36 and 2,804.95

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Solution

The fourth proportional to 7,188.51, 10,776.36 and 2,804.95 is: 4,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.51 : 10,776.36 = 2,804.95 : x
  2. Step 2: Convert to fraction form
    7,188.51/10,776.36 = 2,804.95/x
  3. Step 3: Cross multiply
    7,188.51x = 10,776.36 × 2,804.95
  4. Step 4: Simplify right side
    7,188.51x = 30,227,140.46
  5. Step 5: Solve for x
    x = 30,227,140.46/7,188.51
  6. Step 6: Final answer
    x = 4,204.92

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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.