Home / 7,259.20-10,894.28-5,316.44

Finding the Fourth Proportional to 7,259.20, 10,894.28 and 5,316.44

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Solution

The fourth proportional to 7,259.20, 10,894.28 and 5,316.44 is: 7,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.20 : 10,894.28 = 5,316.44 : x
  2. Step 2: Convert to fraction form
    7,259.20/10,894.28 = 5,316.44/x
  3. Step 3: Cross multiply
    7,259.20x = 10,894.28 × 5,316.44
  4. Step 4: Simplify right side
    7,259.20x = 57,918,785.96
  5. Step 5: Solve for x
    x = 57,918,785.96/7,259.20
  6. Step 6: Final answer
    x = 7,978.67

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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.