Home / 8,782.61-12,119.45-4,802.92

Finding the Fourth Proportional to 8,782.61, 12,119.45 and 4,802.92

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Solution

The fourth proportional to 8,782.61, 12,119.45 and 4,802.92 is: 6,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.61 : 12,119.45 = 4,802.92 : x
  2. Step 2: Convert to fraction form
    8,782.61/12,119.45 = 4,802.92/x
  3. Step 3: Cross multiply
    8,782.61x = 12,119.45 × 4,802.92
  4. Step 4: Simplify right side
    8,782.61x = 58,208,694.48
  5. Step 5: Solve for x
    x = 58,208,694.48/8,782.61
  6. Step 6: Final answer
    x = 6,627.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.