Home / 4,931.35-6,804.45-2,914.48

Finding the Fourth Proportional to 4,931.35, 6,804.45 and 2,914.48

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Solution

The fourth proportional to 4,931.35, 6,804.45 and 2,914.48 is: 4,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.35 : 6,804.45 = 2,914.48 : x
  2. Step 2: Convert to fraction form
    4,931.35/6,804.45 = 2,914.48/x
  3. Step 3: Cross multiply
    4,931.35x = 6,804.45 × 2,914.48
  4. Step 4: Simplify right side
    4,931.35x = 19,831,416.42
  5. Step 5: Solve for x
    x = 19,831,416.42/4,931.35
  6. Step 6: Final answer
    x = 4,021.50

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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.