Home / 7,019.71-10,527.77-3,320.95

Finding the Fourth Proportional to 7,019.71, 10,527.77 and 3,320.95

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Solution

The fourth proportional to 7,019.71, 10,527.77 and 3,320.95 is: 4,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.71 : 10,527.77 = 3,320.95 : x
  2. Step 2: Convert to fraction form
    7,019.71/10,527.77 = 3,320.95/x
  3. Step 3: Cross multiply
    7,019.71x = 10,527.77 × 3,320.95
  4. Step 4: Simplify right side
    7,019.71x = 34,962,181.18
  5. Step 5: Solve for x
    x = 34,962,181.18/7,019.71
  6. Step 6: Final answer
    x = 4,980.57

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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.