Home / 7,479.68-10,314.96-5,911.52

Finding the Fourth Proportional to 7,479.68, 10,314.96 and 5,911.52

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Solution

The fourth proportional to 7,479.68, 10,314.96 and 5,911.52 is: 8,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.68 : 10,314.96 = 5,911.52 : x
  2. Step 2: Convert to fraction form
    7,479.68/10,314.96 = 5,911.52/x
  3. Step 3: Cross multiply
    7,479.68x = 10,314.96 × 5,911.52
  4. Step 4: Simplify right side
    7,479.68x = 60,977,092.34
  5. Step 5: Solve for x
    x = 60,977,092.34/7,479.68
  6. Step 6: Final answer
    x = 8,152.37

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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.