Home / 7,069.68-10,603.91-2,140.43

Finding the Fourth Proportional to 7,069.68, 10,603.91 and 2,140.43

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Solution

The fourth proportional to 7,069.68, 10,603.91 and 2,140.43 is: 3,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.68 : 10,603.91 = 2,140.43 : x
  2. Step 2: Convert to fraction form
    7,069.68/10,603.91 = 2,140.43/x
  3. Step 3: Cross multiply
    7,069.68x = 10,603.91 × 2,140.43
  4. Step 4: Simplify right side
    7,069.68x = 22,696,879.41
  5. Step 5: Solve for x
    x = 22,696,879.41/7,069.68
  6. Step 6: Final answer
    x = 3,210.45

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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.