Home / 4,816.89-6,646.50-2,928.15

Finding the Fourth Proportional to 4,816.89, 6,646.50 and 2,928.15

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Solution

The fourth proportional to 4,816.89, 6,646.50 and 2,928.15 is: 4,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.89 : 6,646.50 = 2,928.15 : x
  2. Step 2: Convert to fraction form
    4,816.89/6,646.50 = 2,928.15/x
  3. Step 3: Cross multiply
    4,816.89x = 6,646.50 × 2,928.15
  4. Step 4: Simplify right side
    4,816.89x = 19,461,948.98
  5. Step 5: Solve for x
    x = 19,461,948.98/4,816.89
  6. Step 6: Final answer
    x = 4,040.36

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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.