Home / 7,798.32-10,761.62-4,395.02

Finding the Fourth Proportional to 7,798.32, 10,761.62 and 4,395.02

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Solution

The fourth proportional to 7,798.32, 10,761.62 and 4,395.02 is: 6,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.32 : 10,761.62 = 4,395.02 : x
  2. Step 2: Convert to fraction form
    7,798.32/10,761.62 = 4,395.02/x
  3. Step 3: Cross multiply
    7,798.32x = 10,761.62 × 4,395.02
  4. Step 4: Simplify right side
    7,798.32x = 47,297,535.13
  5. Step 5: Solve for x
    x = 47,297,535.13/7,798.32
  6. Step 6: Final answer
    x = 6,065.09

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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.