Home / 7,069.08-10,603.92-2,389.20

Finding the Fourth Proportional to 7,069.08, 10,603.92 and 2,389.20

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Solution

The fourth proportional to 7,069.08, 10,603.92 and 2,389.20 is: 3,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.08 : 10,603.92 = 2,389.20 : x
  2. Step 2: Convert to fraction form
    7,069.08/10,603.92 = 2,389.20/x
  3. Step 3: Cross multiply
    7,069.08x = 10,603.92 × 2,389.20
  4. Step 4: Simplify right side
    7,069.08x = 25,334,885.66
  5. Step 5: Solve for x
    x = 25,334,885.66/7,069.08
  6. Step 6: Final answer
    x = 3,583.90

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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.