Home / 4,909.07-7,362.02-1,621.35

Finding the Fourth Proportional to 4,909.07, 7,362.02 and 1,621.35

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Solution

The fourth proportional to 4,909.07, 7,362.02 and 1,621.35 is: 2,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.07 : 7,362.02 = 1,621.35 : x
  2. Step 2: Convert to fraction form
    4,909.07/7,362.02 = 1,621.35/x
  3. Step 3: Cross multiply
    4,909.07x = 7,362.02 × 1,621.35
  4. Step 4: Simplify right side
    4,909.07x = 11,936,415.18
  5. Step 5: Solve for x
    x = 11,936,415.18/4,909.07
  6. Step 6: Final answer
    x = 2,431.50

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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.