Home / 4,187.84-6,280.32-1,591.52

Finding the Fourth Proportional to 4,187.84, 6,280.32 and 1,591.52

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Solution

The fourth proportional to 4,187.84, 6,280.32 and 1,591.52 is: 2,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.84 : 6,280.32 = 1,591.52 : x
  2. Step 2: Convert to fraction form
    4,187.84/6,280.32 = 1,591.52/x
  3. Step 3: Cross multiply
    4,187.84x = 6,280.32 × 1,591.52
  4. Step 4: Simplify right side
    4,187.84x = 9,995,254.89
  5. Step 5: Solve for x
    x = 9,995,254.89/4,187.84
  6. Step 6: Final answer
    x = 2,386.73

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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.