Home / 7,299.07-10,929.70-5,316.55

Finding the Fourth Proportional to 7,299.07, 10,929.70 and 5,316.55

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Solution

The fourth proportional to 7,299.07, 10,929.70 and 5,316.55 is: 7,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.07 : 10,929.70 = 5,316.55 : x
  2. Step 2: Convert to fraction form
    7,299.07/10,929.70 = 5,316.55/x
  3. Step 3: Cross multiply
    7,299.07x = 10,929.70 × 5,316.55
  4. Step 4: Simplify right side
    7,299.07x = 58,108,296.54
  5. Step 5: Solve for x
    x = 58,108,296.54/7,299.07
  6. Step 6: Final answer
    x = 7,961.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.