Home / 8,984.04-13,476.16-3,140.68

Finding the Fourth Proportional to 8,984.04, 13,476.16 and 3,140.68

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Solution

The fourth proportional to 8,984.04, 13,476.16 and 3,140.68 is: 4,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.04 : 13,476.16 = 3,140.68 : x
  2. Step 2: Convert to fraction form
    8,984.04/13,476.16 = 3,140.68/x
  3. Step 3: Cross multiply
    8,984.04x = 13,476.16 × 3,140.68
  4. Step 4: Simplify right side
    8,984.04x = 42,324,306.19
  5. Step 5: Solve for x
    x = 42,324,306.19/8,984.04
  6. Step 6: Final answer
    x = 4,711.05

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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.