Home / 8,792.28-13,191.12-2,948.40

Finding the Fourth Proportional to 8,792.28, 13,191.12 and 2,948.40

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Solution

The fourth proportional to 8,792.28, 13,191.12 and 2,948.40 is: 4,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.28 : 13,191.12 = 2,948.40 : x
  2. Step 2: Convert to fraction form
    8,792.28/13,191.12 = 2,948.40/x
  3. Step 3: Cross multiply
    8,792.28x = 13,191.12 × 2,948.40
  4. Step 4: Simplify right side
    8,792.28x = 38,892,698.21
  5. Step 5: Solve for x
    x = 38,892,698.21/8,792.28
  6. Step 6: Final answer
    x = 4,423.51

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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.