Home / 7,602.08-10,479.38-5,920.52

Finding the Fourth Proportional to 7,602.08, 10,479.38 and 5,920.52

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Solution

The fourth proportional to 7,602.08, 10,479.38 and 5,920.52 is: 8,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.08 : 10,479.38 = 5,920.52 : x
  2. Step 2: Convert to fraction form
    7,602.08/10,479.38 = 5,920.52/x
  3. Step 3: Cross multiply
    7,602.08x = 10,479.38 × 5,920.52
  4. Step 4: Simplify right side
    7,602.08x = 62,043,296.88
  5. Step 5: Solve for x
    x = 62,043,296.88/7,602.08
  6. Step 6: Final answer
    x = 8,161.36

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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.