Home / 7,117.44-10,677.18-2,187.48

Finding the Fourth Proportional to 7,117.44, 10,677.18 and 2,187.48

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Solution

The fourth proportional to 7,117.44, 10,677.18 and 2,187.48 is: 3,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.44 : 10,677.18 = 2,187.48 : x
  2. Step 2: Convert to fraction form
    7,117.44/10,677.18 = 2,187.48/x
  3. Step 3: Cross multiply
    7,117.44x = 10,677.18 × 2,187.48
  4. Step 4: Simplify right side
    7,117.44x = 23,356,117.71
  5. Step 5: Solve for x
    x = 23,356,117.71/7,117.44
  6. Step 6: Final answer
    x = 3,281.53

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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.