Home / 4,291.76-6,437.64-2,762.48

Finding the Fourth Proportional to 4,291.76, 6,437.64 and 2,762.48

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Solution

The fourth proportional to 4,291.76, 6,437.64 and 2,762.48 is: 4,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.76 : 6,437.64 = 2,762.48 : x
  2. Step 2: Convert to fraction form
    4,291.76/6,437.64 = 2,762.48/x
  3. Step 3: Cross multiply
    4,291.76x = 6,437.64 × 2,762.48
  4. Step 4: Simplify right side
    4,291.76x = 17,783,851.75
  5. Step 5: Solve for x
    x = 17,783,851.75/4,291.76
  6. Step 6: Final answer
    x = 4,143.72

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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.