Home / 10,390.37-15,585.56-4,847.59

Finding the Fourth Proportional to 10,390.37, 15,585.56 and 4,847.59

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Solution

The fourth proportional to 10,390.37, 15,585.56 and 4,847.59 is: 7,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.37 : 15,585.56 = 4,847.59 : x
  2. Step 2: Convert to fraction form
    10,390.37/15,585.56 = 4,847.59/x
  3. Step 3: Cross multiply
    10,390.37x = 15,585.56 × 4,847.59
  4. Step 4: Simplify right side
    10,390.37x = 75,552,404.80
  5. Step 5: Solve for x
    x = 75,552,404.80/10,390.37
  6. Step 6: Final answer
    x = 7,271.39

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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.