Home / 7,509.78-10,363.41-4,152.60

Finding the Fourth Proportional to 7,509.78, 10,363.41 and 4,152.60

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Solution

The fourth proportional to 7,509.78, 10,363.41 and 4,152.60 is: 5,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.78 : 10,363.41 = 4,152.60 : x
  2. Step 2: Convert to fraction form
    7,509.78/10,363.41 = 4,152.60/x
  3. Step 3: Cross multiply
    7,509.78x = 10,363.41 × 4,152.60
  4. Step 4: Simplify right side
    7,509.78x = 43,035,096.37
  5. Step 5: Solve for x
    x = 43,035,096.37/7,509.78
  6. Step 6: Final answer
    x = 5,730.54

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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.