Home / 7,790.90-10,752.36-4,434.80

Finding the Fourth Proportional to 7,790.90, 10,752.36 and 4,434.80

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Solution

The fourth proportional to 7,790.90, 10,752.36 and 4,434.80 is: 6,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.90 : 10,752.36 = 4,434.80 : x
  2. Step 2: Convert to fraction form
    7,790.90/10,752.36 = 4,434.80/x
  3. Step 3: Cross multiply
    7,790.90x = 10,752.36 × 4,434.80
  4. Step 4: Simplify right side
    7,790.90x = 47,684,566.13
  5. Step 5: Solve for x
    x = 47,684,566.13/7,790.90
  6. Step 6: Final answer
    x = 6,120.55

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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.