Home / 7,117.23-10,674.89-2,119.50

Finding the Fourth Proportional to 7,117.23, 10,674.89 and 2,119.50

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Solution

The fourth proportional to 7,117.23, 10,674.89 and 2,119.50 is: 3,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.23 : 10,674.89 = 2,119.50 : x
  2. Step 2: Convert to fraction form
    7,117.23/10,674.89 = 2,119.50/x
  3. Step 3: Cross multiply
    7,117.23x = 10,674.89 × 2,119.50
  4. Step 4: Simplify right side
    7,117.23x = 22,625,426.71
  5. Step 5: Solve for x
    x = 22,625,426.71/7,117.23
  6. Step 6: Final answer
    x = 3,178.96

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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.