Home / 8,140.03-12,210.05-2,593.40

Finding the Fourth Proportional to 8,140.03, 12,210.05 and 2,593.40

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Solution

The fourth proportional to 8,140.03, 12,210.05 and 2,593.40 is: 3,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.03 : 12,210.05 = 2,593.40 : x
  2. Step 2: Convert to fraction form
    8,140.03/12,210.05 = 2,593.40/x
  3. Step 3: Cross multiply
    8,140.03x = 12,210.05 × 2,593.40
  4. Step 4: Simplify right side
    8,140.03x = 31,665,489.10
  5. Step 5: Solve for x
    x = 31,665,489.10/8,140.03
  6. Step 6: Final answer
    x = 3,890.10

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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.