Home / 4,749.64-7,124.56-2,904.46

Finding the Fourth Proportional to 4,749.64, 7,124.56 and 2,904.46

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Solution

The fourth proportional to 4,749.64, 7,124.56 and 2,904.46 is: 4,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.64 : 7,124.56 = 2,904.46 : x
  2. Step 2: Convert to fraction form
    4,749.64/7,124.56 = 2,904.46/x
  3. Step 3: Cross multiply
    4,749.64x = 7,124.56 × 2,904.46
  4. Step 4: Simplify right side
    4,749.64x = 20,692,974.47
  5. Step 5: Solve for x
    x = 20,692,974.47/4,749.64
  6. Step 6: Final answer
    x = 4,356.75

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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.