Home / 4,621.95-6,374.51-3,127.50

Finding the Fourth Proportional to 4,621.95, 6,374.51 and 3,127.50

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Solution

The fourth proportional to 4,621.95, 6,374.51 and 3,127.50 is: 4,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.95 : 6,374.51 = 3,127.50 : x
  2. Step 2: Convert to fraction form
    4,621.95/6,374.51 = 3,127.50/x
  3. Step 3: Cross multiply
    4,621.95x = 6,374.51 × 3,127.50
  4. Step 4: Simplify right side
    4,621.95x = 19,936,280.03
  5. Step 5: Solve for x
    x = 19,936,280.03/4,621.95
  6. Step 6: Final answer
    x = 4,313.39

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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.