Home / 7,785.02-11,620.68-6,752.28

Finding the Fourth Proportional to 7,785.02, 11,620.68 and 6,752.28

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Solution

The fourth proportional to 7,785.02, 11,620.68 and 6,752.28 is: 10,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.02 : 11,620.68 = 6,752.28 : x
  2. Step 2: Convert to fraction form
    7,785.02/11,620.68 = 6,752.28/x
  3. Step 3: Cross multiply
    7,785.02x = 11,620.68 × 6,752.28
  4. Step 4: Simplify right side
    7,785.02x = 78,466,085.15
  5. Step 5: Solve for x
    x = 78,466,085.15/7,785.02
  6. Step 6: Final answer
    x = 10,079.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.