Home / 7,406.80-10,216.58-4,420.32

Finding the Fourth Proportional to 7,406.80, 10,216.58 and 4,420.32

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Solution

The fourth proportional to 7,406.80, 10,216.58 and 4,420.32 is: 6,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.80 : 10,216.58 = 4,420.32 : x
  2. Step 2: Convert to fraction form
    7,406.80/10,216.58 = 4,420.32/x
  3. Step 3: Cross multiply
    7,406.80x = 10,216.58 × 4,420.32
  4. Step 4: Simplify right side
    7,406.80x = 45,160,552.91
  5. Step 5: Solve for x
    x = 45,160,552.91/7,406.80
  6. Step 6: Final answer
    x = 6,097.17

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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.