Home / 7,511.52-11,267.28-5,865.60

Finding the Fourth Proportional to 7,511.52, 11,267.28 and 5,865.60

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Solution

The fourth proportional to 7,511.52, 11,267.28 and 5,865.60 is: 8,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.52 : 11,267.28 = 5,865.60 : x
  2. Step 2: Convert to fraction form
    7,511.52/11,267.28 = 5,865.60/x
  3. Step 3: Cross multiply
    7,511.52x = 11,267.28 × 5,865.60
  4. Step 4: Simplify right side
    7,511.52x = 66,089,357.57
  5. Step 5: Solve for x
    x = 66,089,357.57/7,511.52
  6. Step 6: Final answer
    x = 8,798.40

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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.