Home / 7,446.66-10,276.40-4,089.69

Finding the Fourth Proportional to 7,446.66, 10,276.40 and 4,089.69

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Solution

The fourth proportional to 7,446.66, 10,276.40 and 4,089.69 is: 5,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.66 : 10,276.40 = 4,089.69 : x
  2. Step 2: Convert to fraction form
    7,446.66/10,276.40 = 4,089.69/x
  3. Step 3: Cross multiply
    7,446.66x = 10,276.40 × 4,089.69
  4. Step 4: Simplify right side
    7,446.66x = 42,027,290.32
  5. Step 5: Solve for x
    x = 42,027,290.32/7,446.66
  6. Step 6: Final answer
    x = 5,643.78

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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.