Home / 7,479.11-10,317.69-4,789.05

Finding the Fourth Proportional to 7,479.11, 10,317.69 and 4,789.05

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Solution

The fourth proportional to 7,479.11, 10,317.69 and 4,789.05 is: 6,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.11 : 10,317.69 = 4,789.05 : x
  2. Step 2: Convert to fraction form
    7,479.11/10,317.69 = 4,789.05/x
  3. Step 3: Cross multiply
    7,479.11x = 10,317.69 × 4,789.05
  4. Step 4: Simplify right side
    7,479.11x = 49,411,933.29
  5. Step 5: Solve for x
    x = 49,411,933.29/7,479.11
  6. Step 6: Final answer
    x = 6,606.66

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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.